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  Skin effect as a probe of transport regimes in Weyl semimetals

Matus, P., Dantas, R. M. A., Moessner, R., & Surówka, P. (2022). Skin effect as a probe of transport regimes in Weyl semimetals. PNAS, 119(12): e2200367119. doi:10.1073/pnas.2200367119.

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2111.11810.pdf (Preprint), 2MB
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 Creators:
Matus, Pawel1, Author           
Dantas, Renato M. A.1, Author           
Moessner, Roderich1, Author           
Surówka, Piotr1, Author           
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1Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              

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 Abstract: We study the propagation of an oscillatory electromagnetic field inside a Weyl semimetal. In conventional conductors, the motion of the charge carriers in the skin layer near the surface can be diffusive, ballistic, or hydrodynamic. We show that the presence of chiral anomalies, intrinsic to the massless Weyl particles, leads to a hitherto neglected nonlocal regime that can separate the normal and viscous skin effects. We propose to use this regime as a diagnostic of the presence of chiral anomalies in optical conductivity measurements. These results are obtained from a generalized kinetic theory that includes various relaxation mechanisms, allowing us to investigate different transport regimes of Weyl semimetals.

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 Dates: 2022-03-142022-03-22
 Publication Status: Issued
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 Identifiers: ISI: 000775488100013
DOI: 10.1073/pnas.2200367119
arXiv: 2111.11810
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Title: PNAS
  Other : Proceedings of the National Academy of Sciences of the United States of America
  Other : Proceedings of the National Academy of Sciences of the USA
  Abbreviation : Proc. Natl. Acad. Sci. U. S. A.
Source Genre: Journal
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Publ. Info: Washington, D.C. : National Academy of Sciences
Pages: - Volume / Issue: 119 (12) Sequence Number: e2200367119 Start / End Page: - Identifier: ISSN: 0027-8424
CoNE: https://pure.mpg.de/cone/journals/resource/954925427230