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Unpublished Paper
Skyrmions Induced by Dissipationless Drag in U(1) U (1) Superconductors
Physical Review B 89 (2014)
  • Julien Garaud, University of Massachusetts - Amherst
  • Karl A. H. Sellin, Royal Institute of Technology
  • Juha Jaykk
  • Egor Babaev, University of Massachusetts - Amherst
Rather generically, multicomponent superconductors and superfluids have intercomponent current-current interaction. We show that in superconductors with substantially strong intercomponent drag interaction, the topological defects which form in an external field are characterized by a skyrmionic topological charge. We then demonstrate that they can be distinguished from ordinary vortex matter by a very characteristic magnetization process due to the dipolar nature of inter-skyrmion forces. The results provide an experimental signature to confirm or rule out the formation p-wave state with reduced spin stiffness in p-wave superconductors.
Publication Date
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Citation Information
Julien Garaud, Karl A. H. Sellin, Juha Jaykk and Egor Babaev. "Skyrmions Induced by Dissipationless Drag in U(1) U (1) Superconductors" Physical Review B 89 (2014)
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