Dynamical Symmetry Breaking in Einstein Universe

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We investigate four-fermion interactions with $N$-component fermion in Einstein universe for arbitrary space-time dimensions ($2 \leq D<4$). It is found that the effective potential for composite operator $\overlineψψ$ is calculable in the leading order of the $1/N$ expansion. The resulting effective potential is analyzed by varying the curvature of the space-time and is found to exhibit the symmetry restoration through the second-order phase transition. The critical curvature at which the dynamical fermion mass disappears is analytically calculated.
13 pages, uses LaTeX, here.sty, epic.sty, eepic.sty

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/54461

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/9512202
 http://arxiv.org/abs/hep-th/9512202

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arXiv