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Longitudinal Negative Magnetoresistance and Magnetotransport Phenomena in Conventional and Topological Conductors

Journal Article · · Physical Review Letters
 [1];  [2]
  1. Univ. of Washington, Seattle, WA (United States). Dept. of Physics; DOE/OSTI
  2. Univ. of Washington, Seattle, WA (United States). Dept. of Physics

Recently, a large negative longitudinal (parallel to the magnetic field) magnetoresistance was observed in Weyl and Dirac semimetals. It is believed to be related to the chiral anomaly associated with topological electron band structure of these materials. We show that in a certain range of parameters such a phenomenon can also exist in conventional centrosymmetric and time-reversal invariant conductors, lacking topological protection of the electron spectrum and the chiral anomaly. We also discuss the magnetic field enhancement of the longitudinal components of the thermal conductivity and thermoelectric tensors.

Research Organization:
Univ. of Washington, Seattle, WA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-07ER46452
OSTI ID:
1541267
Alternate ID(s):
OSTI ID: 1416845
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 2 Vol. 120; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (16)

Negative longitudinal magnetoresistance in gallium arsenide quantum wells journal January 2019
Evidence for a strain-tuned topological phase transition in ZrTe 5 journal August 2019
Nonclassical Longitudinal Magnetoresistance in Anisotropic Black Phosphorus journal September 2019
Quantum transport in topological semimetals under magnetic fields (II) journal April 2019
Linear positive and negative magnetoresistance in topological insulator Bi 2 Se 3 flakes journal September 2018
Optical signatures of the chiral anomaly in mirror-symmetric Weyl semimetals journal August 2019
Positive longitudinal spin magnetoconductivity in Z 2 topological Dirac semimetals journal December 2019
Giant anisotropic magnetoresistance and planar Hall effect in the Dirac semimetal Cd 3 As 2 journal May 2018
Intrinsic magnetoresistance in three-dimensional Dirac materials with low carrier density journal August 2018
Observation of negative longitudinal magnetoresistance in the type-II Dirac semimetal PtSe 2 journal October 2018
Quantum Interference Theory of Magnetoresistance in Dirac Materials journal June 2019
Orbital effect and weak localization in the longitudinal magnetoresistance of Weyl semimetals NbP, NbAs, TaP, and TaAs journal March 2020
Weyl systems: anomalous transport normally explained journal August 2019
Evidence for a strain tuned topological phase transition in ZrTe5 text January 2018
Quantum Interference Theory of Magnetoresistance in Dirac Materials text January 2019
Orbital effect and weak localization physics in the longitudinal magnetoresistance of the Weyl semimetals NbP, NbAs, TaP and TaAs text January 2019

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