Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session G60: Topological Materials: Semimetals and Higher Order States
11:15 AM–2:15 PM,
Tuesday, March 3, 2020
Room: Mile High Ballroom 4A
Sponsoring
Unit:
DMP
Chair: Darius Torchinsky, Temple Univ
Abstract: G60.00013 : Phonon Hall effect in nonmagnetic insulators
Presenter:
Takuma Saito
(Univ of Tokyo)
Authors:
Takuma Saito
(Univ of Tokyo)
Kou Misaki
(Univ of Tokyo)
Hiroaki Ishizuka
(Univ of Tokyo)
Naoto Nagaosa
(Univ of Tokyo)
In sharp contrast, our study shows that THE of phonon is possible even without magnetic moment. This is due to imperfect screening of magnetic field in crystals: negative charge of electrons and positive one of nuclei do not completely cancel each other when the correction beyond the adiabatic approximation is taken into account. For quantitative estimation, we calculated the THE in lattice models of band insulators.
[1] C. Strohm, et al., PRL 95, 155901 (2005)
[2] L. Sheng, et al., PRL 96, 155901 (2006)
[3] X. Zhang, et al., PRL 123, 167202 (2019)
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