RU-98-08 Remarks on SU(2) lattice gauge theories.
نویسنده
چکیده
Remarks on SU (2) lattice gauge theories. Abstract The Wilson-Dirac operator in four dimensions with gauge group SU (2) is real if the fermions are in a representation of half integral isospin. This could be useful for test cases in numerical work, making SU (2) significantly less demanding computationally than QCD. In the context of the overlap a simple mechanism for Witten's SU (2) anomaly is conjectured. Also, it is suggested that the chiral model with one SU (2) multiplet of isospin 3 2 is an attractive target for numerical study with the help of the overlap.
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