Four- and eight-fermion interactions in a space-time with non-trivial topology

2008/12/15 by Tomohiro Inagaki, Inagaki, Tomohiro
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #hep-ph

paper · pdf · doi:10.48550/arxiv.0812.2766

10pages

arxiv created 2008/12/15 · arxiv updated 2009/12/01

Abstract

The phase structure of an eight-fermion interaction model is investigated in a compact space-time with non-trivial topology, M^D-1⊗ S¹. The phase boundary dividing the symmetric and the broken phase is shown as a function of the space-time dimensions. It is found that the eight-fermion interaction does not modify the phase boundary for the chiral symmetry breaking.

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