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  Edelstein effect in Weyl semimetals

Johansson, A., Henk, J., & Mertig, I. (2018). Edelstein effect in Weyl semimetals. Physical Review B, 97(8): 085417. doi:10.1103/PhysRevB.97.085417.

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PhysRevB.97.085417.pdf (Publisher version), 785KB
 
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https://doi.org/10.1103/PhysRevB.97.085417 (Publisher version)
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 Creators:
Johansson, A.1, Author
Henk, J.2, Author
Mertig, I.1, Author
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1Max Planck Institute of Microstructure Physics, Max Planck Society, Weinberg 2, 06120 Halle, DE, ou_2415691              
2External Organizations, ou_persistent22              

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 Abstract: Using semiclassical Boltzmann transport theory, we predict a current-induced spin polarization in Weyl semimetals, similar to the Edelstein effect of surface states in Rashba systems or in topological insulators. The theory is applied to the Weyl semimetal TaAs, for which we estimate the magnitude of the effect. The main contribution comes from the topological surface states, i.e., the Fermi arcs, which provide an enormous current-induced spin polarization enhanced by at least one order of magnitude in comparison to Rashba systems and the surface states of topological insulators.

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 Dates: 2018-02-132018-02-15
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: P13510
DOI: 10.1103/PhysRevB.97.085417
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 97 (8) Sequence Number: 085417 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008