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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/27831


    Title: Recurrent dynamical symmetry breaking and restoration by Wilson lines at finite densities on a torus
    Authors: Lee, Chung-Chieh;Ho, Choon-Lin
    Contributors: 淡江大學物理學系
    Date: 2000-09
    Issue Date: 2013-07-09 15:13:57 (UTC+8)
    Publisher: College Park: American Physical Society
    Abstract: In this paper we derive the general expression of a one-loop effective potential of the nonintegrable phases of Wilson lines for an SU(N) gauge theory with a massless adjoint fermion defined on the spactime manifold $R^{1,d-3}\times T^2$ at finite temperature and fermion density. The Phase structure of the vacuum is presented for the case with $d=4$ and N=2 at zero temperature. It is found that gauge symmetry is broken and restored alternately as the fermion density increases, a feature not found in the Higgs mechanism. It is the manifestation of the quantum effects of the nonintegrable phases.
    Relation: Physical Review D (Particles and Fields) 62(8), 085021(8 pages)
    DOI: 10.1103/PhysRevD.62.085021
    Appears in Collections:[物理學系暨研究所] 期刊論文

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