素粒子論研究
Online ISSN : 2433-2895
Print ISSN : 0371-1838
Thermal and Curvature Effects in a Four-Fermion Interaction Model(Summer Institute 2007)
Masako HayashiTomohiro Inagaki
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2008 年 116 巻 1 号 p. A179-A181

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We study thermal and curvature effects to spontaneous symmetry breaking in a four-fermion interaction model. Dynamical mass, energy density and cosmological constant are evaluated in D-dimensional static universe with positive curvature R&xotime;S^<D-1>. By solving Einstein equation numerically, the relationship between the temperature and the scale factor of the spacetime is obtained as the solution.

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