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Title: Spin waves, vortices, fermions, and duality in the Ising and Baxter models

Journal Article · · Ann. Phys. (N.Y.); (United States)

Field-theoretic methods are applied to a number of two-dimensional lattice models with Abelian symmetry groups. It is shown, using a vortex+spin-wave decomposition, that the Z/sub p/-Villain models are related to a class of continuum field theories with analogous duality properties. Fermion operators for these field theories are discussed. In the case of the Ising model, the vortices and spin-waves conspire to produce a free, massive Majorana field theory in the continuum limit. The continuum limit of the Baxter model is also studied, and the recent results of Kadanoff and Brown are rederived and extended.

Research Organization:
Department of Physics, Brown University, Providence, Rhode Island 02912
DOE Contract Number:
AC02-76ER03130
OSTI ID:
5755678
Journal Information:
Ann. Phys. (N.Y.); (United States), Vol. 136:2
Country of Publication:
United States
Language:
English