Classification of topological quantum matter with symmetries
Topological materials have become the focus of intense research in recent years, since they
exhibit fundamentally new physical phenomena with potential applications for novel devices …
exhibit fundamentally new physical phenomena with potential applications for novel devices …
Topological phases in two-dimensional materials: a review
Topological phases with insulating bulk and gapless surface or edge modes have attracted
intensive attention because of their fundamental physics implications and potential …
intensive attention because of their fundamental physics implications and potential …
Topological phase transitions in disordered electric quadrupole insulators
We investigate disorder-driven topological phase transitions in quantized electric
quadrupole insulators in two dimensions. We show that chiral symmetry can protect the …
quadrupole insulators in two dimensions. We show that chiral symmetry can protect the …
Density of states scaling at the semimetal to metal transition in three dimensional topological insulators
The quantum phase transition between the three dimensional Dirac semimetal and the
diffusive metal can be induced by increasing disorder. Taking the system of a disordered Z 2 …
diffusive metal can be induced by increasing disorder. Taking the system of a disordered Z 2 …
Critical exponent for the Anderson transition in the three-dimensional orthogonal universality class
We report a careful finite size scaling study of the metal–insulator transition in Anderson's
model of localization. We focus on the estimation of the critical exponent ν that describes the …
model of localization. We focus on the estimation of the critical exponent ν that describes the …
Learning disordered topological phases by statistical recovery of symmetry
We apply the artificial neural network in a supervised manner to map out the quantum phase
diagram of disordered topological superconductors in class DIII. Given the disorder that …
diagram of disordered topological superconductors in class DIII. Given the disorder that …
[HTML][HTML] Topological Anderson insulators induced by random binary disorders
SN Liu, GQ Zhang, LZ Tang, DW Zhang - Physics Letters A, 2022 - Elsevier
Different disorders lead to various localization and topological phenomena in condensed
matter and artificial systems. Here we study the topological and localization properties in …
matter and artificial systems. Here we study the topological and localization properties in …
Building programmable integrated circuits through disordered Chern insulators
BL Wu, ZB Wang, ZQ Zhang, H Jiang - Physical Review B, 2021 - APS
We study the construction of programable integrated circuits with the help of disordered
Chern insulators. Specifically, the schemes for low dissipation logic devices and connecting …
Chern insulators. Specifically, the schemes for low dissipation logic devices and connecting …
Flat topological bands and eigenstate criticality in a quasiperiodic insulator
The effects of downfolding a Brillouin zone can open gaps and quench the kinetic energy by
flattening bands. Quasiperiodic systems are extreme examples of this process, which leads …
flattening bands. Quasiperiodic systems are extreme examples of this process, which leads …
Disorder effects in topological states: Brief review of the recent developments
Disorder inevitably exists in realistic samples, manifesting itself in various exotic properties
for the topological states. In this paper, we summarize and briefly review the work completed …
for the topological states. In this paper, we summarize and briefly review the work completed …