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
Entanglement entropy, quantum fluctuations, and thermal entropy in topological phases
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep05(2019)110
Abstract: A bstractEntanglement entropy in topologically ordered matter phases has been computed extensively using various methods. In this paper, we study the entanglement entropy of topological phases in two-spaces from a new perspective — the perspective… read more here.
Keywords: entanglement entropy; thermal entropy; entropy; quasiparticle fluctuations ... See more keywords
Excitation basis for (3+1)d topological phases
Sign Up to like & getrecommendations! Published in 2017 at "Journal of High Energy Physics"
DOI: 10.1007/jhep12(2017)128
Abstract: A bstractWe consider an exactly solvable model in 3+1 dimensions, based on a finite group, which is a natural generalization of Kitaev’s quantum double model. The corresponding lattice Hamiltonian yields excitations located at torus-boundaries. By… read more here.
Keywords: basis; excitation basis; basis topological; topological phases ... See more keywords
Melt dynamics, nature of glass transition and topological phases of equimolar GexAsxS100−2x ternary glasses
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2021.159101
Abstract: Abstract The Topological Phases (TPs) in specially homogenized equimolar GexAsxS100−2x ternary glasses are established here by performing detailed Raman scattering, together with Modulated-DSC and Volumetric measurements over a wide range of compositions, 5% 16% in… read more here.
Keywords: gexasxs100 ternary; equimolar gexasxs100; topological phases; phase ... See more keywords
The classification of symmetry protected topological phases of one-dimensional fermion systems
Sign Up to like & getrecommendations! Published in 2021 at "Forum of Mathematics, Sigma"
DOI: 10.1017/fms.2021.19
Abstract: Abstract We introduce an index for symmetry-protected topological (SPT) phases of infinite fermionic chains with an on-site symmetry given by a finite group G. This index takes values in $\mathbb {Z}_2 \times H^1(G,\mathbb {Z}_2) \times… read more here.
Keywords: protected topological; symmetry protected; topological phases; symmetry ... See more keywords
Intertwined topological phases induced by emergent symmetry protection
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-10796-8
Abstract: The dual role played by symmetry in many-body physics manifests itself through two fundamental mechanisms: spontaneous symmetry breaking and topological symmetry protection. These two concepts, ubiquitous in both condensed matter and high energy physics, have… read more here.
Keywords: topological phases; intertwined topological; physics; symmetry ... See more keywords
Abundant topological phases in hydrogenated group-IV binary alloy compounds
Sign Up to like & getrecommendations! Published in 2021 at "RSC Advances"
DOI: 10.1039/d1ra01136g
Abstract: Abundant topological states, including triply degenerate point semimetals and Dirac semimetals, are achieved in the layered SnPbH2 crystals built based on monolayer SnPbH2 with different stacking patterns. read more here.
Keywords: binary alloy; group binary; hydrogenated group; abundant topological ... See more keywords
Pressure-tunable magnetic topological phases in magnetic topological insulator MnSb4Te7
Sign Up to like & getrecommendations! Published in 2023 at "Applied Physics Letters"
DOI: 10.1063/5.0146605
Abstract: Magnetic topological insulators (TIs), possessing both magnetic order and topological electronic structure, provides an excellent platform to research unusual physical properties. Here, we report a high-pressure study on the anomalous Hall effect of magnetic TI… read more here.
Keywords: tunable magnetic; topological phases; phases magnetic; mnsb4te7 ... See more keywords
Emergent elastic fields induced by topological phase transitions: Impact of molecular chirality and steric anisotropy.
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the National Academy of Sciences of the United States of America"
DOI: 10.1073/pnas.2118492119
Abstract: SignificanceChirality, the property of an object that cannot be superimposed on its mirror image, plays an essential role in condensed matter, such as magnetic, electronic, and liquid crystal systems. Topological phases emerge in such chiral… read more here.
Keywords: emergent elastic; phase transitions; topological phases; fields induced ... See more keywords
Non-Hermitian topological phases and exceptional lines in topolectrical circuits
Sign Up to like & getrecommendations! Published in 2021 at "New Journal of Physics"
DOI: 10.1088/1367-2630/abe6e4
Abstract: We propose a scheme to realize various non-Hermitian topological phases in a topolectrical (TE) circuit network consisting of resistors, inductors, and capacitors. These phases are characterized by topologically protected exceptional points and lines. The positive… read more here.
Keywords: exceptional lines; topological phases; hermitian topological; circuit ... See more keywords
Non-Hermitian topological phases and dynamical quantum phase transitions: a generic connection
Sign Up to like & getrecommendations! Published in 2021 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ac0574
Abstract: The dynamical and topological properties of non-Hermitian systems have attracted great attention in recent years. In this work, we establish an intrinsic connection between two classes of intriguing phenomena—topological phases and dynamical quantum phase transitions… read more here.
Keywords: phase; dynamical quantum; phases dynamical; connection ... See more keywords