Fluctuation induced first order phase transition in $U(n)\times U(n)$ models using chiral invariant expansion of functional renormalization group flows

@inproceedings{Fejos2014FluctuationIF,
title={Fluctuation induced first order phase transition in \$U(n)\times U(n)\$ models using chiral invariant expansion of functional renormalization group flows},
author={G. Fejos},
year={2014}
}
• G. Fejos
• Published 2014
• Physics
• Phase transition in U(n)xU(n) models is investigated for arbitrary flavor number n. We present a nonperturbative, 3+1 dimensional finite temperature treatment of obtaining the effective potential, based on a chiral invariant expansion of the functional renormalization group flows. The obtained tower of equations is similar but not identical to that of the Dyson-Schwinger hierarchy and has to be truncated for practical purposes. We investigate the finite temperature behavior of the system in an… CONTINUE READING

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