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29 March 2024 |
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Article overview
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Unconventional Hall Effect induced by Berry Curvature | Jun Ge
; Da Ma
; Yanzhao Liu
; Huichao Wang
; Yanan Li
; Jiawei Luo
; Tianchuang Luo
; Ying Xing
; Jiaqiang Yan
; David Mandrus
; Haiwen Liu
; X.C. Xie
; Jian Wang
; | Date: |
15 May 2019 | Abstract: | Berry phase and curvature play a key role in the development of topology in
physics and have been included in the semiclassical theory as they do
contribute to the thermodynamics and transport properties in solid state
systems. In this paper, we firstly report the novel nonzero Hall effect in
topological material ZrTe5 flakes when in-plane magnetic field is parallel and
perpendicular to the current. Surprisingly, both symmetric and antisymmetric
components with respect to magnetic field are detected in the in-plane Hall
resistivity. Further theoretical analysis suggests that the magnetotransport
properties originate from the anomalous velocity induced by Berry curvature in
a tilted Weyl semimetal. Our work not only enriches the Hall family but also
provides new insight into the Berry phase effect in topological materials. | Source: | arXiv, 1905.6040 | Services: | Forum | Review | PDF | Favorites |
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