Anomalous Electromagnetic Field Penetration in a Weyl or Dirac Semimetal

Abstract

The current response to an electromagnetic field in a Weyl or Dirac semimetal becomes nonlocal due to the chiral anomaly activated by an applied static magnetic field. The nonlocality develops under the conditions of the normal skin effect and is related to the valley charge imbalance generated by the joint effect of the electric field of the impinging wave and the static magnetic field. We elucidate the signatures of this nonlocality in the transmission of electromagnetic waves. The signatures include enhancement of the transmission amplitude and its specific dependence on the wave's frequency and the static magnetic field strength.

6+11 pages; 2+2 figures; published version

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Cited by in corpus (6)

• Skin effect as a probe of transport regimes in Weyl semimetals
• Nonreciprocal optics and magnetotransport in Weyl metals as signatures of band topology
• Optical conductivity of bilayer dice lattices
• Nonreciprocal Weyl semimetal waveguide
• Electric and chiral response to a pseudoelectric field in Weyl materials
• Effect of trivial bands on chiral anomaly-induced longitudinal magnetoconductivity in Weyl semimetals