Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2010-09-23
Phys. Rev. B 83,115119 (2011)
Physics
Condensed Matter
Strongly Correlated Electrons
7 pages, 6 figures. Revised section III and added more references
Scientific paper
10.1103/PhysRevB.83.115119
We theoretically examine the use of a statistical distance measure, the indistinguishability, as a generic tool for the identification of topological order. We apply this measure to the toric code and two fractional quantum Hall models. We find that topologically ordered states can be identified with the indistinguishability for both models. Calculations with the indistinguishability also underscore a key distinction between symmetries that underlie topological order in the toric code and quantum Hall models.
Bauer Bela
Scarola Vito W.
Troyer Matthias
Wang Hao
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