Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2009-07-09
Phys. Rev. B 80, 134413 (2009)
Physics
Condensed Matter
Statistical Mechanics
15 pages, 5 figures; v2: added appendix
Scientific paper
10.1103/PhysRevB.80.134413
We study the transition between a Coulomb phase and a dimer crystal observed in numerical simulations of the three-dimensional classical dimer model, by mapping it to a quantum model of bosons in two dimensions. The quantum phase transition that results, from a superfluid to a Mott insulator at fractional filling, belongs to a class that cannot be described within the Landau-Ginzburg-Wilson paradigm. Using a second mapping, to a dual model of vortices, we show that the long-wavelength physics near the transition is described by a U(1) gauge theory with SU(2) matter fields.
Chalker John T.
Powell Stephen
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