Lattice gauge theory without link variables
arXiv:1409.8442 · doi:10.1007/JHEP12(2014)038
Abstract
We obtain a sequence of alternative representations for the partition function of pure SU(N) or U(N) lattice gauge theory with the Wilson plaquette action, using the method of Hubbard-Stratonovich transformations. In particular, we are able to integrate out all the link variables exactly, and recast the partition function of lattice gauge theory as a Gaussian integral over auxiliary fields.
5 pages, 1 figure
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