Langevin Dynamics of Chiral Phase Transition at Finite Temperature and Density

Details Langevin Dynamics of Chiral Phase Transition at Finite Temperature and Density Langevin Dynamics of Chiral Phase Transition at Finite Temperature and Density

2004-07-09

arxiv.org/abs/hep-ph/0407110v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 3 figures, Talk given at "Hadron Physics - RANP 2004", Rio de Janeiro, Brazil, 28 March-3 April

Scientific paper

10.1063/1.1843677

We derive the linear Langevin equation to describe the dynamics of the chiral phase transition above the critical temperature by applying the projection operator method to the Nambu-Jona-Lasinio model at finite temperature and density. The relaxation time of the critical fluctuations increases as the temperature approaches toward the critical temperature because of the critical slowing down. The critical slowing down is enhanced in low temperature and large chemical potential region and around the tricritical point.

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