Topological entanglement entropy relations for multi phase systems with interfaces

Details Topological entanglement entropy relations for multi phase systems with interfaces Topological entanglement entropy relations for multi phase systems with interfaces

2010-06-10

arxiv.org/abs/1006.2017v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 3 figures, 2 tables, revtex

Scientific paper

We study the change in topological entanglement entropy that occurs when a two-dimensional system in a topologically ordered phase undergoes a transition to another such phase due to the formation of a Bose condensate. We also consider the topological entanglement entropy of systems with domains in different topological phases, and of phase boundaries between these domains. We calculate the topological entropy of these interfaces and derive two fundamental relations between the interface topological entropy and the bulk topological entropies on both sides of the interface.

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