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References & Citations

Condensed Matter > Strongly Correlated Electrons

Title:Effective Field Theory for a p-wave Superconductor in the Subgap Regime

Abstract: We construct an effective field theory for the 2d spineless p-wave paired superconductor that faithfully describes the topological properties of the bulk state, and also provides a model for the subgap states at vortex cores and edges. In particular it captures the topologically protected zero modes and has the correct ground state degeneracy on the torus. We also show that our effective field theory becomes a topological field theory in a well defined scaling limit and that the vortices have the expected non-abelian braiding statistics.
Subjects: Strongly Correlated Electrons (cond-mat.str-el); High Energy Physics - Theory (hep-th)
Journal reference: Phys. Rev. B 91, 075116 (2015)
DOI: 10.1103/PhysRevB.91.075116
Cite as: arXiv:1410.2684 [cond-mat.str-el]
  (or arXiv:1410.2684v1 [cond-mat.str-el] for this version)

Submission history

From: Thomas Kvorning [view email]
[v1] Fri, 10 Oct 2014 06:31:09 UTC (50 KB)