CHERN-SIMONS TERM IN THE 4-DIMENSIONAL SU(2) HIGGS MODEL

F. Karsch, M.L. Laursen, T. Neuhaus, B. Plache and U.-J. Wiese
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F. Karsch: HLRZ, c/o Kfa Juelich, D-5170 Juelich, Germany
M.L. Laursen: HLRZ, c/o Kfa Juelich, D-5170 Juelich, Germany
T. Neuhaus: Fak. f. Physik, Univ. Bielefeld, D-4800 Bielefeld, Germany
B. Plache: Fak. f. Physik, Univ. Bielefeld, D-4800 Bielefeld, Germany
U.-J. Wiese: Inst. f. Theor. Physik, Univ. Bern, CH-3012 Bern, Switzerland

International Journal of Modern Physics C (IJMPC), 1992, vol. 03, issue 05, 811-820

Abstract: Using a variation of Lueschers geometric charge definition for SU(2) lattice gauge theory, we have managed to give a geometric expression for it’s Chern-Simons term. From this definition we have checked the periodic structure. We determined the Chern-Simons density for latticesL4andL3×2, 4withL=4, 6, and 8near the critical region in the SU(2) Higgs model. The data indicate that tunneling is increased at high temperature.

Keywords: Chern-Simons term; Topological charge; Higgs model (search for similar items in EconPapers)
Date: 1992
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DOI: 10.1142/S012918319200049X

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