Chiral phonons in the pseudogap phase of cuprates
Sign Up to like & getrecommendations! Published in 2020 at "Nature Physics"
DOI: 10.1038/s41567-020-0965-y
Abstract: The nature of the pseudogap phase of cuprates remains a major puzzle1,2. One of its signatures is a large negative thermal Hall conductivity3, whose origin is as yet unknown. This is observed even in the… read more here.
Keywords: phase cuprates; phase; pseudogap phase; thermal hall ... See more keywords
Phonon drag thermal Hall effect in metallic strontium titanate
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.2201975119
Abstract: Significance We find that the amplitude of the thermal Hall effect (THE) in strontium titanate drastically varies with atomic substitution. It is suppressed when Sr is substituted by Ca, pointing to the role of ferroelectric… read more here.
Keywords: strontium titanate; hall effect; phonon drag; hall ... See more keywords
Resonant thermal Hall effect of phonons coupled to dynamical defects
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.2215141119
Abstract: Significance Modern quantum materials display numerous phases of electronic matter with many-particle quantum entanglement between the electrons. However, this entanglement is notoriously difficult to characterize experimentally. Recent experiments have shown that the thermal Hall effect… read more here.
Keywords: thermal hall; resonant thermal; hall effect; effect phonons ... See more keywords
Real-space calculation of thermal Hall effects in strained and disordered kagome ferromagnets
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ad60da
Abstract: Ferromagnetic insulators may exhibit magnon Hall effects when subjected to a temperature gradient due to the Dzyaloshinsky–Moriya interaction. In this study, we investigate the magnon thermal Hall conductivity κxy of kagome ferromagnets in real space… read more here.
Keywords: space; kagome ferromagnets; real space; thermal hall ... See more keywords
Intrinsic Thermal Hall Effect in Mott Insulators.
Sign Up to like & getrecommendations! Published in 2024 at "Physical review letters"
DOI: 10.1103/2729-nmyh
Abstract: In light of recent experimental data indicating a substantial thermal Hall effect in square lattice antiferromagnetic Mott insulators, we investigate whether a simple Mott insulator can sustain a finite thermal Hall effect. We verify that… read more here.
Keywords: hall effect; thermal hall; mott insulators;
Quantized thermal Hall conductance from edge current calculations in lattice models
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.155112
Abstract: The quantized thermal Hall effect is an important probe for detecting chiral topological order and revealing the nature of chiral gapless edge states. The standard Kubo formula approach for the thermal Hall conductance $\kappa_{xy}$ based… read more here.
Keywords: hall conductance; thermal hall; quantized thermal; hall ... See more keywords
Chiral phase transition and thermal Hall effect in an anisotropic spin model on the kagome lattice
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.054405
Abstract: We present a study of the thermal Hall effect in the extended Heisenberg model with $XXZ$ anisotropy in the kagome lattice. This model has the particularity that, in the classical case, and for a broad… read more here.
Keywords: thermal hall; chiral phase; phase transition; model ... 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
Thermal Hall effect incorporating magnon damping in localized spin systems
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review B"
DOI: 10.1103/physrevb.109.174442
Abstract: We propose a theory for thermal Hall transport mediated by magnons to address the impact of their damping resulting from magnon-magnon interactions in insulating magnets. This phenomenon is anticipated to be particularly significant in systems… read more here.
Keywords: magnon; spin systems; incorporating magnon; magnon damping ... See more keywords
Thermal Hall effect of magnons from many-body skew scattering
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review B"
DOI: 10.1103/physrevb.111.134405
Abstract: We present a theory of magnonic thermal Hall transport driven by many-body skew scattering. In field-polarized chiral magnets, the Dzyaloshinskii-Moriya interaction induces three-magnon interactions that violate time-reversal symmetry and interfere with the four-magnon scattering, thereby… read more here.
Keywords: hall; skew scattering; many body; body skew ... See more keywords
Anomalous Nernst and thermal Hall effects in tilted Weyl semimetals
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.115202
Abstract: We study the anomalous Nernst and thermal Hall effects in a linearized low-energy model of a tilted Weyl semimetal, with two Weyl nodes separated in momentum space. For inversion symmetric tilt, we ... read more here.
Keywords: nernst thermal; tilted weyl; effects tilted; hall effects ... See more keywords