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Effects of topology on the light front |
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| Authors: | K. Itakura S. Maedan |
| Affiliation: | a Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan b Department of Physics, Tokyo National College of Technology, Kunugida-machi, Hachioji-shi, Tokyo 193, Japan |
| Abstract: | We discuss how to construct theta vacua in the light-front field theories using the 1+1 dimensional Abelian Higgs model as an example. Unlike the non-gauged scalar field, zero modes of the Higgs field are in general dynamical as well as the gauge-field zero mode. While symmetry breaking is discussed in semi-classical treatment of the zero modes, the theta vacua are introduced in the quantum level by use of the large gauge symmetry. |
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