Unusual mechanism of vortex viscosity generated by mixed normal modes in superconductors with broken time reversal symmetry

Mihail Silaev*, Egor Babaev

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

18 Citations (Scopus)

Abstract

We show that under certain conditions, multiband superconductors with broken time reversal symmetry have a vortex viscosity-generating mechanism which is different from that in conventional superconductors. It appears due to the existence of a mixed superfluid phase-density mode inside the vortex core. This contribution is dominant near the time reversal symmetry-breaking phase transition. The results could be relevant for the three-band superconductor Ba1-xKxFe2As2.

Original languageEnglish
Article number220504
JournalPhysical Review B
Volume88
Issue number22
DOIs
Publication statusPublished - 10 Dec 2013
MoE publication typeA1 Journal article-refereed

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