Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2001-12-14
Phys.Rev.D65:074506,2002
Physics
High Energy Physics
High Energy Physics - Lattice
latex, 38 pages and 2 eps figures. New version with change in author address only. To be published in Phys. Rev. D
Scientific paper
10.1103/PhysRevD.65.074506
We study Fermi fields defined on tori in the presence of gauge backgrounds carrying non-trivial topology. We show that 2k dimensional field space can alternatively be described by fields over a k-dimensional space. This dual description is particularly natural when the background is uniform and abelian. The reduction in number of dimensions carries over to the lattice. The lattice ultraviolet regularization induces an infrared regularization of the lower dimensional representations. We focus on k=1,2.
Giusti Leonardo
Gonzalez-Arroyo Antonio
Hoelbling Ch.
Neuberger Herbert
Rebbi Claudio
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