The exact equivalence of the two-flavour strong coupling lattice Schwinger model with Wilson fermions to a vertex model

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dc.creatorScharnhorst, K.
dc.date1996-04-29
dc.date.accessioned2026-07-07T11:34:42Z
dc.date.available2026-07-07T11:34:42Z
dc.descriptionIn this paper a method previously employed by Salmhofer to establish an exact equivalence of the one-flavour strong coupling lattice Schwinger model with Wilson fermions to some 8-vertex model is applied to the case with two flavours. As this method is fairly general and can be applied to strong coupling QED and purely fermionic models with any (sufficiently small) number of Wilson fermions in any dimension the purpose of the present study is mainly a methodical one in order to gain some further experience with it. In the paper the vertex model equivalent to the two-flavour strong coupling lattice Schwinger model with Wilson fermions is found. It turns out to be some modified 3-state 20-vertex model on the square lattice, which can also be understood as a regular 6-state vertex model. In analogy with the one- flavour case, this model can be viewed as some loop model.
dc.description22 pages LaTeX
dc.identifierhttps://arxiv.org/abs/hep-lat/9604024
dc.identifierhttp://arxiv.org/abs/hep-lat/9604024
dc.identifierNucl.Phys.B479:727-745,1996
dc.identifierdoi:10.1016/0550-3213(96)00402-6
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/198344
dc.subjectHigh Energy Physics - Lattice
dc.subjectCondensed Matter
dc.subjectHigh Energy Physics - Theory
dc.titleThe exact equivalence of the two-flavour strong coupling lattice Schwinger model with Wilson fermions to a vertex model
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