Tensor-entanglement renormalization group approach to topological phases

Details Tensor-entanglement renormalization group approach to topological phases Tensor-entanglement renormalization group approach to topological phases

2008-07-13

arxiv.org/abs/0807.2010v1

Phys. Rev. B 78, 205116 (2008)

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, RevTeX4

Scientific paper

The tensor-entanglement renormalization group approach is applied to Hamiltonians that realize a class of topologically ordered states -- string-net condensed states. We analyze phase transitions between phases with and without string-net condensation. These phase transitions change topological order without changing any symmetries. This demonstrates that the tensor-entanglement renormalization group approach can be used to study the phase diagram of a quantum system with topologically ordered phases.

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