Universal chiral magnetic effect in the vortex lattice of a Weyl superconductor
Pacholski, M. J. and Beenakker, C. W. J. and Adagideli, İnanç (2020) Universal chiral magnetic effect in the vortex lattice of a Weyl superconductor. Annals of Physics, 417 . ISSN 0003-4916 (Print) 1096-035X (Online)
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Official URL: http://dx.doi.org/10.1016/J.AOP.2020.168103
It was shown recently that Weyl fermions in a superconducting vortex lattice can condense into Landau levels. Here we study the chiral magnetic effect in the lowest Landau level: The appearance of an equilibrium current I along the lines of magnetic flux Phi, due to an imbalance between Weyl fermions of opposite chirality. A universal contribution dI/d Phi = (e/h)(2)mu( )(at equilibrium chemical potential mu relative to the Weyl point) appears when quasiparticles of one of the two chiralities are confined in vortex cores. The confined states are charge-neutral Majorana fermions. (C) 2020 The Author(s). Published by Elsevier Inc.
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