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SU(2)-invariant continuum theory for an unconventional phase transition in a three-dimensional classical dimer model.

Abstract:
We derive a continuum theory for the phase transition in a classical dimer model on the cubic lattice, observed in recent Monte Carlo simulations. Our derivation relies on the mapping from a three-dimensional classical problem to a two-dimensional quantum problem, by which the dimer model is related to a model of hard-core bosons on the kagome lattice. The dimer-ordering transition becomes a superfluid-Mott insulator quantum phase transition at fractional filling, described by an SU(2)-invariant continuum theory.
Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Role:
Author
Journal:
Physical review letters
Volume:
101
Issue:
15
Pages:
155702
Publication date:
2008-10-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:a77da873-60d0-4b9c-a3b0-3dfeeb9efbf9
Source identifiers:
28780
Local pid:
pubs:28780
Language:
English
Keywords:

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