Found 33 papers in cond-mat The electronic structure and interactions of kagome materials such as 1:1
(FeGe class) and 1:6:6 (MgFe$_6$Ge$_6$ class) are complicated and involve many
orbitals and bands at the Fermi level. Current theoretical models treat the
systems in an $s$-orbital kagome representation, unsuited and incorrect both
quantitatively and qualitatively to the material realities. In this work, we
lay the basis of a faithful framework of the electronic model for this large
class of materials. We show that the complicated ``spaghetti" of electronic
bands near the Fermi level can be decomposed into three groups of $d$-Fe
orbitals coupled to specific Ge orbitals. Such decomposition allows for a clear
analytical understanding (leading to different results than the simple
$s$-orbital kagome models) of the flat bands in the system based on the
$S$-matrix formalism of generalized bipartite lattices. Our three minimal
Hamiltonians can reproduce the quasi-flat bands, van Hove singularities,
topology, and Dirac points close to the Fermi level, which we prove by
extensive ab initio studies. We also obtain the interacting Hamiltonian of $d$
orbitals in FeGe using the constraint random phase approximation (cRPA) method.
We then use this as a fundamental ``LEGO"-like building block for a large
family of 1:6:6 kagome materials, which can be obtained by doubling and
perturbing the FeGe Hamiltonian. We applied the model to its kagome siblings
FeSn and CoSn, and also MgFe$_6$Ge$_6$. Our work serves as the first complete
framework for the study of the interacting phase diagram of kagome compounds.
In this note, we classify topological solitons of $n$-brane fields, which are
nonlocal fields that describe $n$-dimensional extended objects. We consider a
class of $n$-brane fields that formally define a homomorphism from the $n$-fold
loop space $\Omega^n X_D$ of spacetime $X_D$ to a space $\mathcal{E}_n$.
Examples of such $n$-brane fields are Wilson operators in $n$-form gauge
theories. The solitons are singularities of the $n$-brane field, and we
classify them using the homotopy theory of ${\mathbb{E}_n}$-algebras. We find
that the classification of codimension ${k+1}$ topological solitons with
${k\geq n}$ can be understood understood using homotopy groups of
$\mathcal{E}_n$. In particular, they are classified by
${\pi_{k-n}(\mathcal{E}_n)}$ when ${n>1}$ and by ${\pi_{k-n}(\mathcal{E}_n)}$
modulo a ${\pi_{1-n}(\mathcal{E}_n)}$ action when ${n=0}$ or ${1}$. However,
for ${n>2}$, their classification goes beyond the homotopy groups of
$\mathcal{E}_n$ when ${k< n}$, which we explore through examples. We compare
this classification to $n$-form $\mathcal{E}_n$ gauge theory. We then apply
this classification and consider an ${n}$-form symmetry described by the
abelian group ${G^{(n)}}$ that is spontaneously broken to ${H^{(n)}\subset
G^{(n)}}$, for which the order parameter characterizing this symmetry breaking
pattern is an ${n}$-brane field with target space ${\mathcal{E}_n =
G^{(n)}/H^{(n)}}$. We discuss this classification in the context of many
examples, both with and without 't Hooft anomalies.
We investigate the first-order correction to the anomalous Hall conductivity
of 2D massive Dirac fermions arising from electron-electron interactions. In a
fully gapped system in the limit of zero temperature, we find that this
correction vanishes, confirming the absence of perturbative corrections to the
topological Hall conductivity. At finite temperature or chemical potential, we
find that the total Hall response decays faster than in the non-interacting
case, depending on the strength of electron-electron interactions. These
features, which could potentially be observed experimentally, show the
importance of two-body interactions for anomalous Hall transport.
We introduce a Hamiltonian lattice model for the $(1+1)$-dimensional
$\text{SU}(N_c)$ gauge theory coupled to one adjoint Majorana fermion of mass
$m$. The discretization of the continuum theory uses staggered Majorana
fermions. We analyze the symmetries of the lattice model and find lattice
analogs of the anomalies of the corresponding continuum theory. An important
role is played by the lattice translation by one lattice site, which in the
continuum limit involves a discrete axial transformation. On a lattice with
periodic boundary conditions, the Hilbert space breaks up into sectors labeled
by the $N_c$-ality $p=0, \ldots N_c-1$. Our symmetry analysis implies various
exact degeneracies in the spectrum of the lattice model. In particular, it
shows that, for $m=0$ and even $N_c$, the sectors $p$ and $p'$ are degenerate
if $|p-p'| = N_c/2$. In the $N_c = 2$ case, we explicitly construct the action
of the Hamiltonian on a basis of gauge-invariant states, and we perform both a
strong coupling expansion and exact diagonalization for lattices of up to $12$
lattice sites. Upon extrapolation of these results, we find good agreement with
the spectrum computed previously using discretized light-cone quantization. One
of our new results is the first numerical calculation of the fermion bilinear
condensate.
Superconductivity in topological insulators is expected to show very
unconventional features such as $p+ip$ order parameter, Majorana fermions etc.
However, the intrinsic superconductivity has been observed in a very limited
number of materials in which the pairing symmetry is still a matter of debate.
Here, we study the topological crystalline insulator
(Pb$_{1-x}$Sn$_x$)$_{1-y}$In$_y$Te, where a peculiar insulator to
superconductor transition was previously reported near the gap inversion
transition, when the system is nearly a 3-dimensional Dirac semimetal. Both the
existence of superconductivity near the 3-dimensional Dirac semimetal and the
occurrence of insulator to superconductor transition in an isotropic material
is highly unusual. We suggest that the observed phenomena are related to an
intrinsic instability of a 3-dimensional Dirac semimetal state in
(Pb$_{1-x}$Sn$_x$)$_{1-y}$In$_y$Te and "flattening" of the bulk valence and
conduction bands as they acquire a Mexican hat-like dispersion on the inverted
side of the phase diagram. This favors the pairing instability if the chemical
potential is pinned to these flat regions.
We report heavy electron behavior in unconventional superconductor
YFe$_2$Ge$_2$ ($T_C \,{=}\, 1.2$ K). We directly observe very heavy bands
($m_\mathrm{eff}\sim 25 m_e$) within $\sim$10 meV of the Fermi level $E_{F}$
using angle-resolved photoelectron spectroscopy (ARPES). The flat bands reside
at the X points of the Brillouin zone and are composed principally of $d_{xz}$
and $d_{yz}$ orbitals. We utilize many-body perturbative theory, GW, to
calculate the electronic structure of this material, obtaining excellent
agreement with the ARPES data with relatively minor band renormalizations and
band shifting required. We obtain further agreement at the Dynamical Mean Field
Theory (DMFT) level, highlighting the emergence of the many-body physics at low
energies (near $E_F$) and temperatures.
Chirality, a fundamental concept from biological molecules to advanced
materials, is prevalent in nature. Yet, its intricate behavior in specific
topological systems remains poorly understood. Here, we investigate the
emergence of hidden chiral domain wall states using a double-chain
Su-Schrieffer-Heeger model with interchain coupling specifically designed to
break chiral symmetry. Our phase diagram reveals single-gap and double-gap
phases based on electronic structure, where transitions occur without
topological phase changes. In the single-gap phase, we reproduce chiral domain
wall states, akin to chiral solitons in the double-chain model, where chirality
is encoded in the spectrum and topological charge pumping. In the double-gap
phase, we identify hidden chiral domain wall states exhibiting opposite
chirality to the domain wall states in the single-gap phase, where the opposite
chirality is confirmed through spectrum inversion and charge pumping as the
corresponding domain wall slowly moves. By engineering gap structures, we
demonstrate control over hidden chiral domain states. Our findings open avenues
to investigate novel topological systems with broken chiral symmetry and
potential applications in diverse systems.
Dissipation is a common occurrence in real-world systems and is generally
considered to be detrimental to transport. In this study, we examine the
transport properties of a narrow quantum anomalous Hall system with dissipation
applied on one edge. When the Fermi level resides within the hybridization gap,
we find that while transport is suppressed on one edge, it is significantly
enhanced on the other. We reveal that this enhancement arises from
dissipation-induced gap closure, which is deeply rooted in the point gap
topology of the system, resulting in a reduction of the decaying coefficient.
When the dissipation is very large, we find that the low-energy physics is
nearly indistinguishable from a narrower system, whose dissipation amplitude is
inversely proportional to that of the original one. To get more physical
intuition, we demonstrate that the low-energy physics can be well captured by a
pair of coupled counter-propagating chiral edge states, one of which has a
modified group velocity and an effective dissipation. We also briefly discuss
the possible experimental realizations of this enhanced unidirectional
transport.
Interactions between light and matter allow the realization of
out-of-equilibrium states in quantum solids. In particular, nonlinear phononics
is one of the efficient approaches to realizing the stationary electronic state
in non-equilibrium. Herein, by using extended $ab~initio$ molecular dynamics,
we identify that long-lived light-driven quasi-stationary geometry could
stabilize the topological nature in the material family of HgTe compounds. We
show that coherent excitation of the infrared-active phonon mode results in a
distortion of the atomic geometry with a lifetime of several picoseconds. We
show that four Weyl points are located exactly at the Fermi level in this
non-equilibrium geometry, making it an ideal long-lived metastable Weyl
semimetal. We propose that such a metastable topological phase can be
identified by photoelectron spectroscopy of the Fermi arc surface states or
ultrafast pump-probe transport measurements of the nonlinear Hall effect.
Time evolution of topological systems is an active area of interest due to
their expected uses in fault tolerant quantum computing. Here, we analyze the
dynamics of a non-interacting spinless fermion chain in its topological phase,
when the system is quenched out-of-equilibrium by a Hamiltonian belonging to
the same symmetry class. Due to the presence of particle-hole symmetry, we find
that the bulk properties of the system remain intact throughout the evolution.
However, the boundary properties may be drastically altered, where we see
delocalization of initially localized Majorana edge modes. The presence of
local static disorder can be utilized to preserve exponential localization, yet
we still identify non-trivial dynamics in the Majorana polarization and
Loschmidt echo. We find that, due to delocalization, the entanglement spectrum
is no longer a good indicator of the bulk topological phase, as the system
remains non-trivial while degeneracies in the many-body entanglement spectrum
are lost.
The chiral topological superconductor, which supports propagating nontrivial
edge modes while maintaining a gapped bulk, can be realized hybridizing a
quantum-anomalous-Hall thin slab with an ordinary $s$-wave superconductor. We
show that by sweeping the voltage bias in a normal-hybrid-normal double
junction, the pattern of electric currents in the normal leads spans three main
regimes. From single-mode edge-current quantization at low bias, to double-mode
edge-current oscillations at intermediate voltages and up to diffusive bulk
currents at larger voltages. Observing such patterns by resolving the spatial
distribution of the local current in the thin slab could provide additional
evidence, besides the global conductance, on the physics of chiral topological
superconductors.
We present a complete calculation, fully accounting for quantum effects and
for molecular flexibility, of the first dielectric virial coefficient of water
and its isotopologues. The contribution of the electronic polarizability is
computed from a state-of-the-art intramolecular potential and polarizability
surface from the literature, and its small temperature dependence is
quantified. The dipolar polarizability is calculated in a similar manner with
an accurate literature dipole-moment surface; it differs from the classical
result both due to the different molecular geometries sampled at different
temperatures and due to the quantization of rotation. We calculate the dipolar
contribution independently from spectroscopic information in the HITRAN2020
database and find that the two methods yield consistent results. The resulting
first dielectric virial coefficient provides a complete description of the
dielectric constant at low density that can be used in humidity metrology and
as a boundary condition for new formulations for the static dielectric constant
of water and heavy water.
In this experimental study, we use scanning tunneling microscopy and
spectroscopy to investigate Yu-Shiba-Rusinov states induced by 4f-shell
rare-earth Gd adatoms on a superconducting Nb(110) surface. We engineer Gd atom
chains along the substrate's $[1\overline{1}0]$ and $[001]$ directions,
revealing distinct behaviors in differently oriented chains.
$[1\overline{1}0]$-oriented Gd chains exhibit spectroscopic features at their
ends, identifying them as trivial edge states, while $[001]$-oriented Gd chains
display zero-energy edge states, suggesting non-trivial nature. Notably, Gd
chains with four atoms--independent of their particular orientation--exhibit a
uniform zero-energy mode along the entire chain. These findings call for
further research and a theoretical framework to describe rare-earth-based
structures on superconductors.
We investigate the impact of the spin-phonon coupling on the S=1/2 Heisenberg
model on the kagome lattice. For the pure spin model, there is increasing
evidence that the low-energy properties can be correctly described by a Dirac
spin liquid, in which spinons with a conical dispersion are coupled to emergent
gauge fields. Within this scenario, the ground-state wave function is well
approximated by a Gutzwiller-projected fermionic state [Y. Ran, M. Hermele,
P.A. Lee, and X.-G. Wen, Phys. Rev. Lett. 98, 117205 (2007)]. However, the
existence of U(1) gauge fields may naturally lead to instabilities when small
perturbations are included. Since phonons are ubiquitous in real materials,
they may play a relevant role in the determination of the actual physical
properties of the kagome antiferromagnet. We perform a step forward in this
direction, including phonon degrees of freedom (at the quantum level) and
applying a variational approach based upon Gutzwiller-projected fermionic
Ans\"atze. Our results suggest that the Dirac spin liquid is stable for small
spin-phonon couplings, while valence-bond solids are obtained at large
couplings. Even though different distortions can be induced by the spin-phonon
interaction, the general aspect is that the energy is lowered by maximizing the
density of perfect hexagons in the dimerization pattern.
With the explosion of data over the past decades there has been a respective
explosion of techniques to extract information from the data from labeled data,
quasi-labeled data, and data with no labels known a priori. For data with at
best quasi-labels, graphs are a natural structure to connect points to further
extract information. In particular, anomaly detection in graphs is a method to
determine which data points do not posses the latent characteristics of the
other data. There have been a variety of classical methods to score vertices on
their anomalous level with respect to the graph, spanning straightforward
methods of checking the local topology of a node to intricate neural networks.
Leveraging the structure of the graph, we propose a first ever quantum-based
technique to calculate the anomaly score of each node by continuously
traversing the graph in a particular manner. The proposed algorithm
incorporates well-known characteristics of quantum random walks, and an
adjustment to the algorithm is given to mitigate the increasing depth of the
circuit. This algorithm is rigorously shown to converge to the expected
probability, with respect to the initial condition.
We study a 2D mesoscopic ring with an anisotropic effective mass considering
surface quantum confinement effects. Consider that the ring is defined on the
surface of a cone, which can be controlled topologically and mapped to the 2D
ring in flat space. We demonstrate through numerical analysis that the
electronic properties, the magnetization, and the persistent current undergo
significant changes due to quantum confinement and non-isotropic mass. We
investigate these changes in the direct band gap semiconductors SiC, ZnO, GaN,
and AlN. There is a plus (or minus) shift in the energy sub-bands for different
values of curvature parameter and anisotropy. Manifestations of this nature are
also seen in the Fermi energy profile as a function of the magnetic field and
in the ring width as a function of the curvature parameter. Aharonov-Bohm (AB)
and de Haas van-Alphen (dHvA) oscillations are also studied, and we find that
they are sensitive to variations in curvature and anisotropy.
Two-dimensional (2D) semiconducting transition metal dichalcogenides have
potential applications in various fields. Recently, it is shown experimentally
and theoretically that monolayer PtSe$_2$ nanoflakes with neutral edges are
stable. Here, we study PtSe$_2$ nanoribbons with the stable zigzag edges
through first-principles investigation and find Rashba spin splitting and
gapped relativstic electron dispersion in their valence and conduction bands
near the Fermi level. Our analysis of atom-projected band structures and
densities of states indicates that the part of bands originates mainly from the
edges of the nanoribbons. It is also shown that there exists a SU(2) spin
symmetry in both valence and conduction band edges, which implies persistent
spin helix along the edges. Furthermore, we can achieve a Dirac electron model
for an edge by combining the valence and conduction bands when the inter-edge
interaction is week. These electronic systems could be useful for designing
high-performance spintronic and optoelectronic applications.
Integrated photonic systems provide a flexible platform where artificial
lattices can be engineered in a reconfigurable fashion. Here, we show that
one-dimensional photonic arrays with engineered losses allow realizing
topological excitation stemming from non-Hermiticity and bulk mode criticality.
We show that a generalized modulation of the local photonic losses allow
creating topological modes both in the presence of periodicity and even in the
quasiperiodic regime. We demonstrate that a localization transition of all the
bulk photonic modes can be engineered in the presence of a quasiperiodic loss
modulation, and we further demonstrate that such a transition can be created in
the presence of both resonance frequency modulation and loss modulation. We
finally address the robustness of this phenomenology to the presence of higher
neighbor couplings and disorder in the emergence of criticality and topological
modes. Our results put forward a strategy to engineer topology and criticality
solely from engineered losses in a photonic system, establishing a potential
platform to study the impact of non-linearities in topological and critical
photonic matter.
The symmetric mass generation (SMG) phase is an insulator in which a
single-particle gap is intrinsically opened by the interaction, without
involving symmetry spontaneously breaking or topological order. Here, we
perform unbiased quantum Monte-Carlo simulation and systematically investigate
a bilayer fermionic model hosting Fermi surface SMG in the strongly interacting
regime. With increasing interaction strength, the model undergoes a quantum
phase transition from an exciton insulator to an SMG phase, belonging to the
(2+1)-dimensional O(4) universality class. We access the spectral properties of
the SMG phase, resembling a Mott insulating phase with relatively flat
dispersion and pronounced spectral broadening. The dispersion of Green's
function zeros is extracted from spectral function, featuring a surface at zero
frequency precisely located at the original non-interacting Fermi surface,
which constitutes a hallmark of the Fermi surface SMG phase. The bilayer model
we study is potentially relevant to the newly discovered high-$T_c$
superconductor $\rm{La}_3 \rm{Ni}_2 \rm{O}_7$. Our results in SMG phase
qualitatively capture the salient features of spectral function unveiled in
recent ARPES experiments, shedding new insight on the underlying physics of
$\rm{La}_3 \rm{Ni}_2 \rm{O}_7$.
A collection of rings made of active Brownian particles (ABPs) for different
packing fractions and activities is investigated using computer simulations. We
show that active rings display an emergent dynamic clustering instead of the
conventional motility-induced phase separation (MIPS) as in the case of
collection of ABPs. Surprisingly, increasing packing fraction of rings exhibits
a non-monotonicity in the dynamics due to the formation of a large number of
small clusters. The conformational fluctuations of the polymers suppress the
usual MIPS exhibited by ABPs. Our findings demonstrate how the motion of a
collection of rings is influenced by the interplay of activity, topology, and
connectivity.
Topological phase transitions are typically associated with the formation of
gapless states. Spontaneous symmetry breaking can lead to a gap opening thereby
obliterating the topological nature of the system. Here we highlight a
completely different destiny for a topological transition in presence of
interaction. Solving a Bernevig-Hughes-Zhang model with local interaction, we
show that dynamical quantum fluctuations can lead to the opening of a gap
without any symmetry breaking. As we vary the interaction and the bare mass of
the model, the continuous gapless topological transition turns into a
first-order one, associated with the presence of massive Dirac fermion at the
transition point showing a Gross-Neveu critical behaviour near the quantum
critical endpoint. We identify the gap opening as a condensed matter analog of
the Coleman-Weinberg mechanism of mass generation.
This paper is focused on investigating the effects of a statistical
interaction for graphene-like systems, providing Haldane-like properties for
topologically trivial lattices. The associated self-energy correction yields an
effective next-nearest hopping, inducing the topological phase, whose specific
solutions are scrutinized. In the case of an external magnetic field, it leads
to a renormalized quasi-particle structure with generalized Landau levels and
explicit valley asymmetry. A suitable tool for implementing such achievements
is a judicious indefinite metric quantization, leading to advances in field
theory foundations. Since the topological behavior is encoded in the radiative
corrections, an unequivocal treatment using an integral representation is
carefully developed.
The possibility of attaining chiral edge modes under periodic driving has
spurred tremendous attention, both theoretically and experimentally, especially
in light of anomalous Floquet topological phases that feature vanishing Chern
numbers unlike any static counterpart. We here consider a periodically
modulated honeycomb lattice and experimentally relevant driving protocols,
which allows us to obtain edge modes of various character in a simple model. We
calculate the phase diagram over a wide range of parameters and recover an
anomalous topological phase with quasienergy gaps harbouring edge states with
opposite chirality. Motivated by the advances in single-site control in optical
lattices, we investigate wave packet dynamics localized at the edges in
distinct Floquet topological regimes that cannot be achieved in equilibrium. We
analyse transport properties in edge modes originating from the same bands, but
with support at different quasienergies and sublattices as well as possessing
different chiralities. We find that an anomalous Floquet topological phase can
in general generate more robust chiral edge motion than a Haldane phase. Our
results demonstrate that the rich interplay of wave packet dynamics and
topological edge states can serve as a versatile tool in ultracold quantum
gases in optical lattices.
Solitons formed through the one-dimensional mass-kink mechanism on the edges
of two-dimensional systems with non-trivial topology play an important role in
the emergence of higher-order (HO) topological phases. In this connection, the
existing work in time-reversal symmetric systems has focused on gapping the
edge Dirac cones in the presence of particle-hole symmetry, which is not suited
to the common spin-Chern insulators. Here, we address the emergence of edge
solitons in spin-Chern number of $2$ insulators, in which the edge Dirac cones
are gapped by perturbations preserving time-reversal symmetry but breaking
spin-$U(1)$ symmetry. Through the mass-kink mechanism, we thus explain the
appearance of pairwise corner modes and predict the emergence of extra charges
around the corners. By tracing the evolution of the mass term along the edge,
we demonstrate that the in-gap corner modes and the associated extra charges
can be generated through the $S_z$-mixing spin-orbit coupling via the mass-kink
mechanism. We thus provide strong evidence that an even spin-Chern-number
insulator is an HO topological insulator with protected corner charges.
Topological insulators hold promises to realize exotic quantum phenomena in
electronic, photonic, and phononic systems. Conventionally, topological
indices, such as winding numbers, have been used to predict the number of
topologically protected domain-wall states (TPDWSs) in topological insulators,
a signature of the topological phenomenon called bulk-edge correspondence.
Here, we demonstrate theoretically and experimentally that the number of TPDWSs
in a mechanical Su-Schrieffer-Heeger (SSH) model can be higher than the winding
number depending on the strengths of beyond-nearest-neighbor interactions,
revealing the breakdown of the winding number prediction. Alternatively, we
resort to the Berry connection to accurately characterize the number and
spatial features of TPDWSs in SSH systems, further confirmed by the
Jackiw-Rebbi theory proving that the multiple TPDWSs correspond to the bulk
Dirac cones. Our findings deepen the understanding of complex network dynamics
and offer a generalized paradigm for precise TPDWS prediction in potential
applications involving localized vibrations, such as drug delivery and quantum
computing.
Topological insulators and superconductors have attracted considerable
attention, and many different theoretical tools have been used to gain insight
into their properties. Here we investigate how perturbations can spread through
exemplary one-dimensional topological insulators and superconductors using
out-of-time ordered correlators. Out-of-time ordered correlators are often used
to consider how information becomes scrambled during quantum dynamics. The
wavefront of the out-of-time ordered correlator can be ballistic regardless of
the underlying system dynamics, and here we confirm that for topological free
fermion systems the wavefront spreads linearly at a characteristic butterfly
velocity. We pay special attention to the topologically protected edge states,
finding that "information" can become trapped in the edge states and
essentially decoupled from the bulk, surviving for relatively long times. We
consider different models with multiple possible edge states coexisting on a
single edge.
We study the Andreev and normal reflection processes -- retro as well as
specular -- in a bilayer graphene-superconductor junction where equal and
opposite displacement fields are applied for the top and bottom layers to
induce a band gap. By employing the Dirac-Bogoliubov-de Gennes equation for the
gapped bilayer graphene-superconductor junction, we calculate the reflections
probabilities within the scattering theory approach. The subgap conductance,
calculated in the framework of Blonder-Tinkham-Klapwijk formalism, shows the
contribution from the Andreev retro-reflection (specular-reflection) when the
applied bias voltage is below (above) the Fermi energy. Notably, both retro and
specular reflections are modified in the presence of the displacement field,
and the retro-to-specular crossover gets amplified when the displacement field
is relatively small. They can be further tuned to either specular or retro
Andreev reflection by adjusting the Fermi energy. Furthermore, our study
reveals the simultaneous existence of double Andreev reflections and double
normal reflections when the displacement field becomes comparable to the
interlayer coupling strength. The existence of the normal retro-reflection
process in a bilayer graphene-superconductor junction is a new finding which
shows a distinctive feature in the conductance that can be experimentally
verified.
Superconductor/semiconductor hybrid devices have attracted increasing
interest in the past years. Superconducting electronics aims to complement
semiconductor technology, while hybrid architectures are at the forefront of
new ideas such as topological superconductivity and protected qubits. In this
work, we engineer the induced superconductivity in two-dimensional germanium
hole gas by varying the distance between the quantum well and the aluminum. We
demonstrate a hard superconducting gap and realize an electrically and flux
tunable superconducting diode using a superconducting quantum interference
device (SQUID). This allows to tune the current phase relation (CPR), to a
regime where single Cooper pair tunneling is suppressed, creating a $\sin
\left( 2 \varphi \right)$ CPR. Shapiro experiments complement this
interpretation and the microwave drive allows to create a diode with 100%
efficiency. The reported results open up the path towards integration of spin
qubit devices, microwave resonators and (protected) superconducting qubits on a
silicon technology compatible platform.
Recently, a quantum anomalous Hall state at odd integer filling in moir\'e
stacked MoTe$_2$/WSe$_2$ was convincingly interpreted as a topological Mott
insulator state appearing due to strong interactions in {\it band} basis [P.
Mai, J. Zhao, B. E. Feldman, and P. W. Phillips, Nat. Commun. {\bf 14}, 5999
(2023)]. In this work, we aim to analyze the formation of a topological Mott
insulator due to interactions in {\it orbital} basis instead, being more
natural for systems where interactions originate from the character of $f$ or
$d$ orbitals rather than band flatness. For that reason, we study an
odd-integer filled Anderson lattice model incorporating odd-parity
hybridization between orbitals with different degrees of correlations
introduced in the Hatsugai-Kohmoto spirit. We demonstrate that a topological
Mott insulating state can be realized in a considered model only when weak
intra- and inter-orbital correlations involving dispersive states are taken
into account. Interestingly, we find that all topological transitions between
trivial and topological Mott insulating phases are not accompanied by a
spectral gap closing, consistent with a phenomenon called {\it first-order
topological transition}. Instead, they are signaled by a kink developed in
spectral function at one of the time reversal invariant momenta. We believe
that our approach can provide insightful phenomenology of topological Mott
insulators in spin-orbit coupled $f$ or $d$ electron systems.
G\'acs' coarse-grained algorithmic entropy leverages universal computation to
quantify the information content of any given physical state. Unlike the
Boltzmann and Shannon-Gibbs entropies, it requires no prior commitment to
macrovariables or probabilistic ensembles, rendering it applicable to settings
arbitrarily far from equilibrium. For Markovian coarse-grainings, we prove a
number of algorithmic fluctuation inequalities. The most important of these is
a very general formulation of the second law of thermodynamics. In the presence
of a heat and work reservoir, it implies algorithmic versions of Jarzynski's
equality and Landauer's principle. Finally, to demonstrate how a deficiency of
algorithmic entropy can be used as a resource, we model an information engine
powered by compressible strings.
We study the phase diagram of magic-angle twisted symmetric trilayer graphene
in the presence of uniaxial heterostrain and interlayer displacement field. For
experimentally reasonable strain, our mean-field analysis finds robust Kekul\'e
spiral order whose doping-dependent ordering vector is incommensurate with the
moir\'e superlattice, consistent with recent scanning tunneling microscopy
experiments, and paralleling the behaviour of closely-related twisted bilayer
graphene (TBG) systems. Strikingly, we identify a new possibility absent in
TBG: the existence of $\textit{commensurate}$ Kekul\'e spiral order even at
zero strain for experimentally realistic values of the interlayer potential in
a trilayer. Our studies also reveal a complex pattern of charge transfer
between weakly- and strongly-dispersive bands in strained trilayer samples as
the density is tuned by electrostatic gating, that can be understood
intuitively in terms of the `cascades' in the compressibility of magic-angle
TBG.
The relativistic Langevin equation poses a number of technical and conceptual
problems related to its derivation and underlying physical assumptions.
Recently, a method has been proposed in [A. Petrosyan and A. Zaccone, J. Phys.
A: Math. Theor. 55 015001 (2022)] to derive the relativistic Langevin equation
from a first-principles particle-bath Lagrangian. As a result of the
particle-bath coupling, a new ``restoring force'' term appeared, which breaks
translation symmetry. Here we revisit this problem aiming at deriving a fully
translation-invariant relativistic Langevin equation. We successfully do this
by adopting the renormalization potential protocol originally suggested by
Caldeira and Leggett. The relativistic renormalization potential is derived
here and shown to reduce to Caldeira and Leggett's form in the non-relativistic
limit. The introduction of this renormalization potential successfully removes
the restoring force and a fully translation-invariant relativistic Langevin
equation is derived for the first time. The physically necessary character of
the renormalization potential is discussed in analogy with non-relativistic
systems, where it emerges due to the renormalization of the tagged particle
dynamics due to its interaction with the bath oscillators (a phenomenon akin to
level-repulsion or avoided-crossing in condensed matter). We discuss the
properties that the corresponding non-Markovian friction kernel has to satisfy,
with implications ranging from transport models of the quark-gluon plasma, to
relativistic viscous hydrodynamic simulations, and to electrons in graphene.
We investigate the lattice relaxation effect on moir\'e band structures in
twisted bilayer MoTe$_2$ with two approaches: (a) large-scale plane-wave basis
first principle calculation down to $2.88^{\circ}$, (b) transfer learning
structure relaxation + local-basis first principles calculation down to
$1.1^{\circ}$. Two types of van der Waals corrections have been examined: the
D2 method of Grimme and the density-dependent energy correction. We note the
density-dependent energy correction yields a continuous evolution of bandwidth
with twist angles. Including second harmonic of intralayer potential/interlayer
tunneling and the strain induced gauge field, we develop a more complete
continuum model with a single set of parameters for a wide range of twist
angles, providing a useful starting point for many body simulation.

Date of feed: Fri, 17 Nov 2023 01:30:00 GMT**Search terms: **(topolog[a-z]+)|(graphit[a-z]+)|(rhombohedr[a-z]+)|(graphe[a-z]+)|(chalcog[a-z]+)|(landau)|(weyl)|(dirac)|(STM)|(scan[a-z]+ tunne[a-z]+ micr[a-z]+)|(scan[a-z]+ tunne[a-z]+ spectr[a-z]+)|(scan[a-z]+ prob[a-z]+ micr[a-z]+)|(MoS.+\d+|MoS\d+)|(MoSe.+\d+|MoSe\d+)|(MoTe.+\d+|MoTe\d+)|(WS.+\d+|WS\d+)|(WSe.+\d+|WSe\d+)|(WTe.+\d+|WTe\d+)|(Bi\d+Rh\d+I\d+|Bi.+\d+.+Rh.+\d+.+I.+\d+.+)|(BiTeI)|(BiTeBr)|(BiTeCl)|(ZrTe5|ZrTe.+5)|(Pt2HgSe3|Pt.+2HgSe.+3)|(jacuting[a-z]+)|(flatband)|(flat.{1}band)|(LK.{1}99) **Kagome Materials II: SG 191: FeGe as a LEGO Building Block for the Entire 1:6:6 series: hidden d-orbital decoupling of flat band sectors, effective models and interaction Hamiltonians. (arXiv:2311.09290v1 [cond-mat.str-el])**

Yi Jiang, Haoyu Hu, Dumitru Călugăru, Claudia Felser, Santiago Blanco-Canosa, Hongming Weng, Yuanfeng Xu, B. Andrei Bernevig

**Topological aspects of brane fields: solitons and higher-form symmetries. (arXiv:2311.09293v1 [hep-th])**

Salvatore D. Pace, Yu Leon Liu

**First-order effect of electron-electron interactions on the anomalous Hall conductivity of massive Dirac fermions. (arXiv:2311.09304v1 [cond-mat.mes-hall])**

Daria A. Dumitriu-I., Darius A. Deaconu, Alexander E. Kazantsev, Alessandro Principi

**Lattice Hamiltonian for Adjoint QCD$_2$. (arXiv:2311.09334v1 [hep-th])**

Ross Dempsey, Igor R. Klebanov, Silviu S. Pufu, Benjamin T. Søgaard

**Possible Topological Superconductivity in a Topological Crystalline Insulator (Pb$_{1-x}$Sn$_x$)$_{1-y}$In$_y$Te. (arXiv:2311.09368v1 [cond-mat.supr-con])**

I. Pletikosic, T. Yilmaz, B. Sinkovic, A. P. Weber, G. D. Gu, T. Valla

**Flat Bands at the Fermi Level in Unconventional Superconductor YFe2Ge2. (arXiv:2311.09492v1 [cond-mat.str-el])**

R. Kurleto, C.-H. Wu, S. Acharya, D.M. Narayan, B.S. Berggren, P. Hao, A. Shackelford, H.R. Whitelock, Z. Sierzega, M. Hashimoto, D. Lu, C. Jozwiak, R.P. Cline, D. Pashov, J. Chen, M. van Schilfgaarde, F.M. Grosche, D.S. Dessau

**Revealing inverted chirality of hidden domain wall states in multiband systems without topological transition. (arXiv:2311.09493v1 [cond-mat.mes-hall])**

Seung-Gyo Jeong, Sang-Hoon Han, Tae-Hwan Kim, Sangmo Cheon

**Dissipation Enhanced Unidirectional Transport in Topological Systems. (arXiv:2311.09534v1 [cond-mat.mes-hall])**

Ming Lu, Xue-Zhu Liu, Hailong Li, Zhi-Qiang Zhang, Jie Liu, X.C. Xie

**Light-induced ideal Weyl semimetal in HgTe via nonlinear phononics. (arXiv:2311.09583v1 [cond-mat.mtrl-sci])**

Dongbin Shin, Angel Rubio, Peizhe Tang

**Weak breakdown of bulk-boundary correspondence in a symmetry-protected topological phase out-of-equilibrium. (arXiv:2311.09610v1 [cond-mat.str-el])**

Thomas L. M. Lane, Miklós Horváth, Kristian Patrick

**Quantum-anomalous-Hall current patterns and interference in thin slabs of chiral topological superconductors. (arXiv:2311.09664v1 [cond-mat.mes-hall])**

Daniele Di Miceli, Llorenç Serra

**Comprehensive Quantum Calculation of the First Dielectric Virial Coefficient of Water. (arXiv:2311.09722v1 [physics.chem-ph])**

Giovanni Garberoglio, Chiara Lissoni, Luca Spagnoli, Allan H. Harvey

**Observation of zero-energy modes in Gd atomic chains on superconducting Nb(110). (arXiv:2311.09742v1 [cond-mat.supr-con])**

Yu Wang, Felix Friedrich, Matthias Bode, Artem Odobesko

**Spin-phonon interactions on the kagome lattice: Dirac spin liquid versus valence-bond solids. (arXiv:2311.09823v1 [cond-mat.str-el])**

Francesco Ferrari, Federico Becca, Roser Valenti

**Scoring Anomalous Vertices Through Quantum Walks. (arXiv:2311.09855v1 [quant-ph])**

Andrew Vlasic, Anh Pham

**Study on the effects of anisotropic effective mass on electronic properties, magnetization and persistent current in semiconductor quantum ring with conical geometry. (arXiv:2311.09859v1 [cond-mat.mes-hall])**

Francisco A. G. de Lira, Luís Fernando C. Pereira, Edilberto O. Silva

**Rashba spin splitting and Dirac fermions in monolayer PtSe$_2$ nanoribbons. (arXiv:2311.09931v1 [cond-mat.mes-hall])**

Bo-Wen Yu, Bang-Gui Liu

**Non-Hermitian topology and criticality in photonic arrays with engineered losses. (arXiv:2311.09959v1 [physics.optics])**

Elizabeth Louis Pereira, Hongwei Li, Andrea Blanco-Redondo, Jose L. Lado

**Fermi surface symmetric mass generation: a quantum Monte-Carlo study. (arXiv:2311.09970v1 [cond-mat.str-el])**

Wei-Xuan Chang, Sibo Guo, Yi-Zhuang You, Zi-Xiang Li

**Dynamic Clustering of Active Rings. (arXiv:2311.10007v1 [cond-mat.soft])**

Ligesh Theeyancheri, Subhasish Chaki, Tapomoy Bhattacharjee, Rajarshi Chakrabarti

**Topological Gap Opening without Symmetry Breaking from Dynamical Quantum Correlations. (arXiv:2311.10024v1 [cond-mat.str-el])**

Francesca Paoletti, Laura Fanfarillo, Massimo Capone, Adriano Amaricci

**On valley asymmetry in a topological interaction for quasi-particles. (arXiv:2311.10073v1 [hep-th])**

G. B. de Gracia, B. M. Pimentel, R. da Rocha

**Wave packet dynamics and edge transport in anomalous Floquet topological phases. (arXiv:2302.08485v2 [cond-mat.quant-gas] UPDATED)**

Miguel F. Martínez, F. Nur Ünal

**Time-Reversal Soliton Pairs In Even Spin-Chern-Number Higher-Order Topological Insulators. (arXiv:2303.04031v2 [cond-mat.mes-hall] UPDATED)**

Yi-Chun Hung, Baokai Wang, Chen-Hsuan Hsu, Arun Bansil, Hsin Lin

**Breakdown of Conventional Winding Number Calculation in One-Dimensional Lattices with Interactions Beyond Nearest Neighbors. (arXiv:2304.04080v3 [cond-mat.mtrl-sci] UPDATED)**

Amir Rajabpoor Alisepahi, Siddhartha Sarkar, Kai Sun, Jihong Ma

**Information Trapping by Topologically Protected Edge States: Scrambling and the Butterfly Velocity. (arXiv:2306.00527v2 [cond-mat.mes-hall] UPDATED)**

Martyna Sedlmayr, Hadi Cheraghi, Nicholas Sedlmayr

**Andreev and normal reflections in gapped bilayer graphene-superconductor junctions. (arXiv:2306.00529v2 [cond-mat.supr-con] UPDATED)**

Panch Ram, Detlef Beckmann, Romain Danneau, Wolfgang Belzig

**Parity-conserving Cooper-pair transport and ideal superconducting diode in planar Germanium. (arXiv:2306.07109v2 [cond-mat.mes-hall] UPDATED)**

Marco Valentini, Oliver Sagi, Levon Baghumyan, Thijs de Gijsel, Jason Jung, Stefano Calcaterra, Andrea Ballabio, Juan Aguilera Servin, Kushagra Aggarwal, Marian Janik, Thomas Adletzberger, Rubén Seoane Souto, Martin Leijnse, Jeroen Danon, Constantin Schrade, Erik Bakkers, Daniel Chrastina, Giovanni Isella, Georgios Katsaros

**Topological Mott insulator in the odd-integer filled Anderson lattice model with Hatsugai-Kohmoto interactions. (arXiv:2308.02292v2 [cond-mat.str-el] UPDATED)**

Krystian Jabłonowski, Jan Skolimowski, Wojciech Brzezicki, Krzysztof Byczuk, Marcin M. Wysokiński

**The algorithmic second law of thermodynamics. (arXiv:2308.06927v3 [cond-mat.stat-mech] UPDATED)**

Aram Ebtekar

**Kekul\'e spirals and charge transfer cascades in twisted symmetric trilayer graphene. (arXiv:2310.16094v2 [cond-mat.str-el] UPDATED)**

Ziwei Wang, Yves H. Kwan, Glenn Wagner, Nick Bultinck, Steven H. Simon, S.A. Parameswaran

**Translation-invariant relativistic Langevin equation derived from first principles. (arXiv:2310.18327v2 [cond-mat.stat-mech] UPDATED)**

Filippo Emanuele Zadra, Aleksandr Petrosyan, Alessio Zaccone

**Lattice relaxation, electronic structure and continuum model for twisted bilayer MoTe$_2$. (arXiv:2311.07533v2 [cond-mat.str-el] UPDATED)**

Ning Mao, Cheng Xu, Jiangxu Li, Ting Bao, Peitao Liu, Yong Xu, Claudia Felser, Liang Fu, Yang Zhang

Found 4 papers in prb Recent theoretical and experimental work suggests that the honeycomb cobaltates, initially proposed as candidate Kitaev quantum magnets, are in fact described by a pseudospin-$1/2$ easy-plane spin Hamiltonian with nearest-neighbor ferromagnetic (FM) exchange ${J}_{1}$ being frustrated by antiferroma… Half semiconductors, capable of achieving 100% spin-polarized carriers under simple electrostatic gating, optical excitation, and thermal excitation conditions, have emerged as some of the most promising materials for spintronics. Thus, to find new half-semiconducting materials is highly desirable. … We introduce a class of models, dubbed paired twist-defect networks, that generalize the structure of Kitaev's honeycomb model for which there is a direct equivalence between: (i) Floquet codes (FCs), (ii) adiabatic loops of gapped Hamiltonians, and (iii) unitary loops or Floquet-enriched topologica… Higher-order topological insulators, which go beyond the conventional bulk-boundary correspondence, have been attracting extensive interest in past years. Very recently, it was pointed out that chiral-symmetric higher-order topological insulators can be characterized by a $\mathbb{Z}$ topological in…

Date of feed: Fri, 17 Nov 2023 04:17:13 GMT**Search terms: **(topolog[a-z]+)|(graphit[a-z]+)|(rhombohedr[a-z]+)|(graphe[a-z]+)|(chalcog[a-z]+)|(landau)|(weyl)|(dirac)|(STM)|(scan[a-z]+ tunne[a-z]+ micr[a-z]+)|(scan[a-z]+ tunne[a-z]+ spectr[a-z]+)|(scan[a-z]+ prob[a-z]+ micr[a-z]+)|(MoS.+\d+|MoS\d+)|(MoSe.+\d+|MoSe\d+)|(MoTe.+\d+|MoTe\d+)|(WS.+\d+|WS\d+)|(WSe.+\d+|WSe\d+)|(WTe.+\d+|WTe\d+)|(Bi\d+Rh\d+I\d+|Bi.+\d+.+Rh.+\d+.+I.+\d+.+)|(BiTeI)|(BiTeBr)|(BiTeCl)|(ZrTe5|ZrTe.+5)|(Pt2HgSe3|Pt.+2HgSe.+3)|(jacuting[a-z]+)|(flatband)|(flat.{1}band)|(LK.{1}99) **Proximate Dirac spin liquid in the honeycomb lattice ${J}_{1}\text{−}{J}_{3}$ XXZ model: Numerical study and application to cobaltates**

Anjishnu Bose, Manodip Routh, Sreekar Voleti, Sudip Kumar Saha, Manoranjan Kumar, Tanusri Saha-Dasgupta, and Arun Paramekanti

Author(s): Anjishnu Bose, Manodip Routh, Sreekar Voleti, Sudip Kumar Saha, Manoranjan Kumar, Tanusri Saha-Dasgupta, and Arun Paramekanti

[Phys. Rev. B 108, 174422] Published Thu Nov 16, 2023

**Physical properties of monolayer $\mathrm{Mn}{(\mathrm{BiTeS})}_{2}$ and its applications in sub–3 nm spintronic devices**

Zhanhai Li, Jianing Han, Shengguo Cao, Zhenhua Zhang, and Xiaoqing Deng

Author(s): Zhanhai Li, Jianing Han, Shengguo Cao, Zhenhua Zhang, and Xiaoqing Deng

[Phys. Rev. B 108, 184413] Published Thu Nov 16, 2023

**Floquet codes and phases in twist-defect networks**

Joseph Sullivan, Rui Wen, and Andrew C. Potter

Author(s): Joseph Sullivan, Rui Wen, and Andrew C. Potter

[Phys. Rev. B 108, 195134] Published Thu Nov 16, 2023

**Acoustic higher-order topological insulators protected by multipole chiral numbers**

Yuzeng Li, Huahui Qiu, Qicheng Zhang, and Chunyin Qiu

Author(s): Yuzeng Li, Huahui Qiu, Qicheng Zhang, and Chunyin Qiu

[Phys. Rev. B 108, 205135] Published Thu Nov 16, 2023

Found 1 papers in prl Surface codes are the most promising candidates for fault-tolerant quantum computation. Single qudit errors are typically modeled as Pauli operators, to which general errors are converted via randomizing methods. In this Letter, we quantify remaining correlations after syndrome measurement for a qud…

Date of feed: Fri, 17 Nov 2023 04:17:15 GMT**Search terms: **(topolog[a-z]+)|(graphit[a-z]+)|(rhombohedr[a-z]+)|(graphe[a-z]+)|(chalcog[a-z]+)|(landau)|(weyl)|(dirac)|(STM)|(scan[a-z]+ tunne[a-z]+ micr[a-z]+)|(scan[a-z]+ tunne[a-z]+ spectr[a-z]+)|(scan[a-z]+ prob[a-z]+ micr[a-z]+)|(MoS.+\d+|MoS\d+)|(MoSe.+\d+|MoSe\d+)|(MoTe.+\d+|MoTe\d+)|(WS.+\d+|WS\d+)|(WSe.+\d+|WSe\d+)|(WTe.+\d+|WTe\d+)|(Bi\d+Rh\d+I\d+|Bi.+\d+.+Rh.+\d+.+I.+\d+.+)|(BiTeI)|(BiTeBr)|(BiTeCl)|(ZrTe5|ZrTe.+5)|(Pt2HgSe3|Pt.+2HgSe.+3)|(jacuting[a-z]+)|(flatband)|(flat.{1}band)|(LK.{1}99) **Non–Pauli Errors Can Be Efficiently Sampled in Qudit Surface Codes**

Yue Ma, Michael Hanks, and M. S. Kim

Author(s): Yue Ma, Michael Hanks, and M. S. Kim

[Phys. Rev. Lett. 131, 200602] Published Thu Nov 16, 2023

Found 1 papers in pr_res We propose the linear and nonlinear

Date of feed: Fri, 17 Nov 2023 04:17:13 GMT**Search terms: **(topolog[a-z]+)|(graphit[a-z]+)|(rhombohedr[a-z]+)|(graphe[a-z]+)|(chalcog[a-z]+)|(landau)|(weyl)|(dirac)|(STM)|(scan[a-z]+ tunne[a-z]+ micr[a-z]+)|(scan[a-z]+ tunne[a-z]+ spectr[a-z]+)|(scan[a-z]+ prob[a-z]+ micr[a-z]+)|(MoS.+\d+|MoS\d+)|(MoSe.+\d+|MoSe\d+)|(MoTe.+\d+|MoTe\d+)|(WS.+\d+|WS\d+)|(WSe.+\d+|WSe\d+)|(WTe.+\d+|WTe\d+)|(Bi\d+Rh\d+I\d+|Bi.+\d+.+Rh.+\d+.+I.+\d+.+)|(BiTeI)|(BiTeBr)|(BiTeCl)|(ZrTe5|ZrTe.+5)|(Pt2HgSe3|Pt.+2HgSe.+3)|(jacuting[a-z]+)|(flatband)|(flat.{1}band)|(LK.{1}99) **Field-induced Berry connection and anomalous planar Hall effect in tilted Weyl semimetals**

YuanDong Wang, Zhen-Gang Zhu, and Gang Su

Author(s): YuanDong Wang, Zhen-Gang Zhu, and Gang Su*anomalous* planar Hall effect (APHE) in tilted Weyl semimetals in the presence of an in-plane magnetic and electric field, where the field-induced Berry connection plays a key role. The conductivity of linear APHE is ascribed to the quantum metric and is antisymmet…

[Phys. Rev. Research 5, 043156] Published Thu Nov 16, 2023

Found 1 papers in nat-comm **Search terms: **(topolog[a-z]+)|(graphit[a-z]+)|(rhombohedr[a-z]+)|(graphe[a-z]+)|(chalcog[a-z]+)|(landau)|(weyl)|(dirac)|(STM)|(scan[a-z]+ tunne[a-z]+ micr[a-z]+)|(scan[a-z]+ tunne[a-z]+ spectr[a-z]+)|(scan[a-z]+ prob[a-z]+ micr[a-z]+)|(MoS.+\d+|MoS\d+)|(MoSe.+\d+|MoSe\d+)|(MoTe.+\d+|MoTe\d+)|(WS.+\d+|WS\d+)|(WSe.+\d+|WSe\d+)|(WTe.+\d+|WTe\d+)|(Bi\d+Rh\d+I\d+|Bi.+\d+.+Rh.+\d+.+I.+\d+.+)|(BiTeI)|(BiTeBr)|(BiTeCl)|(ZrTe5|ZrTe.+5)|(Pt2HgSe3|Pt.+2HgSe.+3)|(jacuting[a-z]+)|(flatband)|(flat.{1}band)|(LK.{1}99) **Enhanced optical conductivity and many-body effects in strongly-driven photo-excited semi-metallic graphite**

< author missing >

Found 1 papers in scipost **Search terms: **(topolog[a-z]+)|(graphit[a-z]+)|(rhombohedr[a-z]+)|(graphe[a-z]+)|(chalcog[a-z]+)|(landau)|(weyl)|(dirac)|(STM)|(scan[a-z]+ tunne[a-z]+ micr[a-z]+)|(scan[a-z]+ tunne[a-z]+ spectr[a-z]+)|(scan[a-z]+ prob[a-z]+ micr[a-z]+)|(MoS.+\d+|MoS\d+)|(MoSe.+\d+|MoSe\d+)|(MoTe.+\d+|MoTe\d+)|(WS.+\d+|WS\d+)|(WSe.+\d+|WSe\d+)|(WTe.+\d+|WTe\d+)|(Bi\d+Rh\d+I\d+|Bi.+\d+.+Rh.+\d+.+I.+\d+.+)|(BiTeI)|(BiTeBr)|(BiTeCl)|(ZrTe5|ZrTe.+5)|(Pt2HgSe3|Pt.+2HgSe.+3)|(jacuting[a-z]+)|(flatband)|(flat.{1}band)|(LK.{1}99) **Topological interface states -- a possible path towards a Landau-level laser in the THz regime, by Mark O. Goerbig**

< author missing >

Submitted on 2023-11-16, refereeing deadline 2023-11-30.