Chiral phase transition of bulk Abelian gauge theories in the Randall-Sundrum brane world

Details Chiral phase transition of bulk Abelian gauge theories in the Randall-Sundrum brane world Chiral phase transition of bulk Abelian gauge theories in the Randall-Sundrum brane world

2001-07-11

arxiv.org/abs/hep-ph/0107125v1

Prog.Theor.Phys. 107 (2002) 1047-1060

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 7 figures, REVTeX

Scientific paper

10.1143/PTP.107.1047

The chiral phase transition of strong-coupling Abelian gauge theories is investigated in the brane world. It is assumed that gauge boson propagates in an extra dimension, i.e. bulk gauge theories. The phase structure is analytically evaluated by using the low-energy effective theories. We also numerically solve the ladder Schwinger-Dyson equation for the full fermion propagator including Kaluza-Klein (KK) excitation modes of the gauge field. It is found that the chiral phase transition is of the second order, and the critical value of the coupling constant is obtained. The extra dimension has a large influence on the chiral phase transition for the Randall-Sundrum (RS) brane world. It is studied how the number of KK modes affect the chiral phase transition.

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