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cond-mat.str-el2006★ 58 cited
Topological order and topological entropy in classical systems
Claudio Castelnovo, Claudio Chamon, .
We show that the concept of topological order, introduced to describe ordered quantum systems which cannot be classified by broken symmetries, also applies to classical systems. St…
cond-mat.str-el2006★ 26 cited
Zero-temperature Kosterlitz-Thouless transition in a two-dimensional quantum system
Claudio Castelnovo, Claudio Chamon, Christopher Mudry +2
We construct a local interacting quantum dimer model on the square lattice, whose zero-temperature phase diagram is characterized by a line of critical points separating two ordere…