Translation-invariant topological superconductors on a lattice

In this paper we introduce four Z2 topological indices zeta k=0,1 at k=(0,0), (0,pi), (pi,0), and (pi,pi) characterizing 16 universal classes of two-dimensional superconducting states that have translation symmetry but may break any other symmetries. The 16 classes of superconducting states are dist...

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Bibliographic Details
Main Authors: Kou, Su-Peng (Author), Wen, Xiao-Gang (Contributor)
Other Authors: Massachusetts Institute of Technology. Department of Physics (Contributor)
Format: Article
Language:English
Published: American Physical Society, 2011-02-04T21:23:29Z.
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