期刊
PHYSICAL REVIEW B
卷 88, 期 22, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.88.220504
关键词
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资金
- Swedish Research Council
- Russian Foundation for Basic Research [11-02-00891, 13-02-97126]
- U.S. National Science Foundation CAREER Award [DMR-0955902]
- Knut and Alice Wallenberg Foundation through the Royal Swedish Academy of Sciences, Swedish Research Council
- [SP-6811.2013.5]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0955902] Funding Source: National Science Foundation
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.
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