Monte carlo study of anSU(2) lattice gauge-Higgs theory at finite temperature |
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Authors: | T Munehisa Y Munehisa |
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Institution: | 1. Faculty of Engineering, Yamanashi University, Takeda 4-3-11, Kofu, Yamanashi, 400, Japan
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Abstract: | AnSU(2) gauge theory coupled to a Higgs field in the fundamental representation is studied at finite temperature by Monte Carlo method. Calculations are done on 84, 83×4 and 83×2 lattices with a small Higgs self-coupling constant. In the parameter region we studied both the location and the order of the Higgs transition are found to be insensitive to the system's temperature. As for the deconfining transition at finite temperature, our data suggest that it disappears within the symmetric region as the Higgs bare mass decreases. Results on the Higgs energy density and the gauge energy density are also presented. |
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