Elsevier

Nuclear Physics B

Volume 362, Issue 3, 23 September 1991, Pages 641-648
Nuclear Physics B

Equivalence of the strongly coupled lattice schwinger model and the eight-vertex model

https://doi.org/10.1016/0550-3213(91)90546-AGet rights and content

Abstract

Lattice QED2 with Wilson fermions at strong coupling is mapped to an eight-vertex model by explicit calculation. This reveals a critical point at infinite hopping parameter. The associated continuum theory has central charge equal to one.

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Present address: Mathematics Department, University of British Columbia, Vancouver, Canada V6T 1Y4.

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