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Title: Helical Spin Order from Topological Dirac and Weyl Semimetals

Journal Article · · Physical Review Letters
 [1];  [2];  [3]
  1. Tsinghua Univ., Beijing (China). Inst. for Advanced Study
  2. Stanford Univ., CA (United States). Dept. of Physics; Tsinghua Univ., Beijing (China). Inst. for Advanced Study
  3. Tsinghua Univ., Beijing (China). Inst. for Advanced Study; Collaborative Innovation Center of Quantum Matter, Beijing (China)

We study dynamical mass generation and the resultant helical spin orders in topological Dirac and Weyl semimetals, including the edge states of quantum spin Hall insulators, the surface states of weak topological insulators, and the bulk materials of Weyl semimetals. In particular, the helical spin textures of Weyl semimetals manifest the spin-momentum locking of Weyl fermions in a visible manner. We find the spin-wave fluctuations of the helical order carry electric charge density; therefore, the spin textures can be electrically controlled in a simple and predictable manner.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., CA (United States); Tsinghua Univ., Beijing (China)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); National Natural Science Foundation of China (NSFC)
Contributing Organization:
Collaborative Innovation Center of Quantum Matter, Beijing (China)
Grant/Contract Number:
AC02-76SF00515; 11304175; DMR-1305677
OSTI ID:
1326995
Alternate ID(s):
OSTI ID: 1210098; OSTI ID: 1326996
Report Number(s):
SLAC-PUB-16718
Journal Information:
Physical Review Letters, Vol. 115, Issue 7; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 26 works
Citation information provided by
Web of Science

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Cited By (10)

Zeeman splitting and dynamical mass generation in Dirac semimetal ZrTe5 journal August 2016
Spin-momentum locking and spin-orbit torques in magnetic nano-heterojunctions composed of Weyl semimetal WTe2 journal September 2018
Dynamical gap generation in topological insulators journal April 2016
Unidirectional Transport in Electronic and Photonic Weyl Materials by Dirac Mass Engineering text January 2015
RKKY interaction of magnetic impurities in Dirac and Weyl semimetals text January 2015
Collective modes in nodal line semimetals text January 2015
Signature of chiral fermion instability in the Weyl semimetal TaAs above the quantum limit text January 2016
Nodal-knot semimetals text January 2017
Excitonic instability in optically-pumped three-dimensional Dirac materials text January 2017
Three-dimensional Chiral Lattice Fermion in Floquet Systems text January 2018