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SU(2) slave fermion solution of the Kitaev honeycomb lattice model

Abstract:

We apply the SU(2) slave fermion formalism to the Kitaev honeycomb lattice model. We show that both the toric code phase (the A phase) and the gapless phase of this model (the B phase) can be identified with p-wave superconducting phases of the slave fermions, with nodal lines which, respectively, do not or do intersect the Fermi surface. The non-Abelian Ising anyon phase is a p+ip superconducting phase that occurs when the B phase is subjected to a gap-opening magnetic field. We also discuss...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.84.125125

Authors


Burnell, FJ More by this author
Journal:
PHYSICAL REVIEW B
Volume:
84
Issue:
12
Publication date:
2011-09-13
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:6b4c36e7-0471-4b6e-9709-cfc6d16f1439
Source identifiers:
177252
Local pid:
pubs:177252
Language:
English

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