zengwei

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Magnetoresistance and valley degree of freedom in bulk bismuth
Release time:2018-10-17  Hits:

First Author: Zhu, Zengwei

Correspondence Author: Zhu, Zengwei,Fuseya, Yuki

Journal: JOURNAL OF PHYSICS-CONDENSED MATTER

Included Journals: SCI

Document Type: J

Volume: 30

Issue: 31

Page Number: 313001

Abstract: In this paper, we first review fundamental aspects of magnetoresistance in multi-valley systems based on the semiclassical theory. Then we will review experimental evidence and theoretical understanding of magnetoresistance in an archetypal multi-valley system, where the electric conductivity is set by the sum of the contributions of different valleys. Bulk bismuth has three valleys with an extremely anisotropic effective mass. As a consequence the magnetoconductivity in each valley is extremely sensitive to the orientation of the magnetic field. Therefore, a rotating magnetic field plays the

Links to published journals: www.doi.org/10.1088/1361-648X/aaced7