Composite Spin Hall Conductivity from Non-collinear Antiferromagnetic Order.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202209866
Abstract: Non-collinear antiferromagnets are an exciting new platform for studying intrinsic spin Hall effects, phenomena that arise from the materials' band structure, Berry phase curvature, and linear , the spin Hall conductivities in the non-collinear state… read more here.
Keywords: composite spin; hall conductivity; non collinear; spin hall ... See more keywords
Anomalous Hall Conductivity and Nernst Effect of the Ideal Weyl Semimetallic Ferromagnet EuCd2As2
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Science"
DOI: 10.1002/advs.202207121
Abstract: Weyl semimetal is a unique topological phase with topologically protected band crossings in the bulk and robust surface states called Fermi arcs. Weyl nodes always appear in pairs with opposite chiralities, and they need to… read more here.
Keywords: ideal weyl; effect; hall; conductivity nernst ... See more keywords
A Weyl semimetal from AdS/CFT with flavour
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep04(2021)162
Abstract: We construct a top-down holographic model of Weyl semimetal states using (3 + 1)-dimensional $$ \mathcal{N} $$ = 4 supersymmetric SU(Nc) Yang-Mills theory, at large Nc and strong coupling, coupled to a number Nf ≪… read more here.
Keywords: weyl semimetal; ads cft; hall conductivity; semimetal ads ... See more keywords
Low-energy bands, optical properties, and spin/valley-Hall conductivity of silicene and germanene
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science"
DOI: 10.1007/s10853-020-05044-0
Abstract: In this work, we study systematically low-energy bands, optical absorbance and spin/valley-Hall conductivity of silicene and germanene in the presence of a perpendicular electric field. Our analytical calculations indicate that both silicene and germanene are… read more here.
Keywords: spin valley; energy; valley hall; silicene germanene ... See more keywords
Magnon Hall conductivity and thermal transport in frustrated antiferromagnets
Sign Up to like & getrecommendations! Published in 2019 at "Physica C: Superconductivity and its Applications"
DOI: 10.1016/j.physc.2019.02.004
Abstract: Abstract The spin Hall conductivity, σxy(ω) is studied in the quantum frustrated two-dimensional bilayer anisotropic Heisenberg model in the triangular lattice in an external magnetic field employing linear spin waves. Our results show a spin… read more here.
Keywords: hall conductivity; magnon hall; thermal transport; spin ... See more keywords
Universal hall conductivity in graphene Maxwell fish-eye quantum dot
Sign Up to like & getrecommendations! Published in 2021 at "Physica E: Low-dimensional Systems and Nanostructures"
DOI: 10.1016/j.physe.2021.115103
Abstract: Graphene quantum dot with Maxwell fish eye potential energy profile is studied. A quasiclassical approximation is used given that potential energy is a slowly varying function of coordinates. Near the zero energy the spectrum of… read more here.
Keywords: hall conductivity; graphene; fish eye; maxwell fish ... See more keywords
The mixed-state Hall conductivity of single-crystal films Nd2–xCexCuO4+δ (x = 0.14)
Sign Up to like & getrecommendations! Published in 2017 at "Low Temperature Physics"
DOI: 10.1063/1.4983182
Abstract: The magnetic-field dependencies of the longitudinal and Hall resistivity of the electron-doped compounds Nd2–xCexCuO4+δ in underdoped region (x = 0.14) were investigated. It was established experimentally a strong magnetic field dependence of the Hall conductivity, σxy(B) = C –… read more here.
Keywords: state; hall; mixed state; nd2 xcexcuo4 ... See more keywords
Thickness dependence of anomalous Hall conductivity in L10-FePt thin film
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ab360a
Abstract: L10 ordered alloys are ideal models for studying the anomalous Hall effect (AHE), which can be used to distinguish the origin from intrinsic (from band structure) or from extrinsic effects (from impurity scatterings). In the… read more here.
Keywords: film; l10; hall conductivity; l10 fept ... See more keywords
Spin splitting and spin Hall conductivity in buckled monolayers of group 14: First-principles calculations
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.104.115205
Abstract: Elemental monolayers of the group 14 with a buckled honeycomb structure, namely silicene, germanene, stanene, and plumbene, are known to demonstrate a spin splitting as a result of an electric field parallel to their high… read more here.
Keywords: electric field; spin; hall conductivity; spin hall ... See more keywords
Thermal Hall conductivity of electron-doped cuprates
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.105.115101
Abstract: Marie-Eve Boulanger, Gaël Grissonnanche, Étienne Lefrançois, Adrien Gourgout, Ke-Jun Xu, 3, 4 Zhi-Xun Shen, 3, 4 Richard L. Greene, and Louis Taillefer 6 Institut quantique, Département de physique & RQMP, Université de Sherbrooke, Sherbrooke, Québec,… read more here.
Keywords: doped cuprates; physics; thermal hall; hall conductivity ... See more keywords
Zero Hall conductivity and its electronic origin in a Cr-doped topological insulator
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.081117
Abstract: We investigate the electronic origin of the zero Hall conductivity or the axion phase of a Crdoped Sb2Te3 film by analyzing the evolution of its band structure upon the magnetic field sweep. By applying a… read more here.
Keywords: zero hall; hall; electronic origin; hall conductivity ... See more keywords