Light‐Induced Quantum Anomalous Hall Effect on the 2D Surfaces of 3D Topological Insulators
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Science"
DOI: 10.1002/advs.202101508
Abstract: Abstract Quantum anomalous Hall (QAH) effect generates quantized electric charge Hall conductance without external magnetic field. It requires both nontrivial band topology and time‐reversal symmetry (TRS) breaking. In most cases, one can break the TRS… read more here.
Keywords: anomalous hall; transition; hall; quantum anomalous ... See more keywords
Topological Phase Transition of Non‐Hermitian Crosslinked Chain
Sign Up to like & getrecommendations! Published in 2020 at "Annalen der Physik"
DOI: 10.1002/andp.201900402
Abstract: Non-Hermiticity enriches the contents of topological classification of matter including exceptional points, bulk-edge correspondence and skin effect. Gain and loss can be described by imaginary diagonal elements in Hamiltonians and the topological phase transition for… read more here.
Keywords: phase transition; phase; crosslinked chain; topological phase ... See more keywords
Topological Phase Transition and Topological Quantum State Transfer in Periodically Modulated Circuit‐QED Lattice
Sign Up to like & getrecommendations! Published in 2021 at "Annalen der Physik"
DOI: 10.1002/andp.202100120
Abstract: The topological properties of a circuit‐QED lattice are studied and it is found that the system undergoes a topological phase transition accompanied by the changes of Chern numbers from 2 to −1. For different lattice… read more here.
Keywords: lattice; topological phase; quantum; state ... See more keywords
Theoretical Understanding of Polar Topological Phase Transitions in Functional Oxide Heterostructures: A Review
Sign Up to like & getrecommendations! Published in 2022 at "Small Methods"
DOI: 10.1002/smtd.202200486
Abstract: The exotic topological phase is attracting considerable attention in condensed matter physics and materials science over the past few decades due to intriguing physical insights. As a combination of “topology” and “ferroelectricity,” the ferroelectric (polar)… read more here.
Keywords: topological phases; functional oxide; oxide heterostructures; topological phase ... See more keywords
The effect of pressure and spin orbit interaction on topological phase and phonon dispersion of LuX (X= Sb, Bi) compounds
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.07.283
Abstract: Abstract In this paper, the topological phase of LuX (X = Sb, Bi) compounds under hydrostatic and biaxial pressures is investigated based on first principles of density functional theory by WIEN2k package. To find out the Z2… read more here.
Keywords: spin orbit; orbit interaction; lux compounds; topological phase ... See more keywords
Topological phase transition in mechanical honeycomb lattice
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2018.08.021
Abstract: Abstract Topological materials provide a new tool to direct wave energy with unprecedented precision and robustness. Three elastic topological phases, the valley Hall, Chern and spin Hall insulators, are currently studied, and they are achieved… read more here.
Keywords: phase; topological phase; honeycomb lattice; wave ... See more keywords
Actively controllable topological phase transition in homogeneous piezoelectric rod system
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2019.103824
Abstract: Abstract By employing periodic electrical boundary conditions, an innovative method to generate actively tunable topologically protected interface mode in a “homogeneous” piezoelectric rod system is proposed. Made of homogeneous material and with uniform structure, each… read more here.
Keywords: phase; phase transition; topological phase; rod system ... See more keywords
Dimensional Crossover and Topological Phase Transition in Dirac Semimetal Na3Bi Films.
Sign Up to like & getrecommendations! Published in 2019 at "ACS nano"
DOI: 10.1021/acsnano.9b04933
Abstract: Three-dimensional (3D) topological Dirac semimetal, when thinned down to 2D few layers, is expected to possess gapped Dirac nodes via quantum confinement effect and concomitantly displays the intriguing quantum spin Hall (QSH) insulator phase. However,… read more here.
Keywords: phase transition; topological phase; dirac semimetal; na3bi films ... See more keywords
Topological phase transition in chiral graphene nanoribbons: from edge bands to end states
Sign Up to like & getrecommendations! Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-25688-z
Abstract: Precise control over the size and shape of graphene nanostructures allows engineering spin-polarized edge and topological states, representing a novel source of non-conventional π-magnetism with promising applications in quantum spintronics. A prerequisite for their emergence… read more here.
Keywords: phase transition; transition chiral; graphene; topological phase ... See more keywords
Topological phase singularities in atomically thin high-refractive-index materials.
Sign Up to like & getrecommendations! Published in 2022 at "Nature communications"
DOI: 10.1038/s41467-022-29716-4
Abstract: Atomically thin transition metal dichalcogenides (TMDCs) present a promising platform for numerous photonic applications due to excitonic spectral features, possibility to tune their constants by external gating, doping, or light, and mechanical stability. Utilization of… read more here.
Keywords: refractive index; atomically thin; topological phase; phase singularities ... See more keywords
Suppressed topological phase transitions due to nonsymmorphism in SnTe stacking
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-27827-x
Abstract: We combine first principles calculations with a group theory analysis to investigate topological phase transitions in the stacking of SnTe monolayers. We show that distinct finite stacking yields different symmetry-imposed degeneracy, which dictates the hybridization… read more here.
Keywords: transitions due; topological phase; phase transitions; snte ... See more keywords