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    题名: Constant Gauge Fields and Symmetry Breaking on Torus
    作者: 何俊麟;Ho, Choon-lin
    贡献者: 淡江大學物理學系
    日期: 1990-10-10
    上传时间: 2009-12-31 10:36:57 (UTC+8)
    出版者: World Scientific Publishing
    摘要: We examine symmetry breaking in an SU(2) gauge theory with a massless fermion defined on space-time manifold R1, d−3 × T2. Vacuum gauge field configuration is taken to have a constant field strength on the torus. Effective Potential in this background is evaluated and compared with that of pure gauge vacuum configuration. It is found that, in d ≡ 5, 7 (mod 8), vacuum with sufficiently large color magnetic flux on the torus could have lower energy density. This result applies to a U(1) theory as well. For SU(2) theory, the symmetry is broken to U(1).
    關聯: Modern Physics Letters A 5(25), pp.2021-2029
    DOI: 10.1142/S0217732390002304
    显示于类别:[物理學系暨研究所] 期刊論文

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