Confinement- Deconfinement Phase Transition in Hot and Dense QCD at Large N

Details Confinement- Deconfinement Phase Transition in Hot and Dense QCD at Large N Confinement- Deconfinement Phase Transition in Hot and Dense QCD at Large N

2008-08-11

arxiv.org/abs/0808.1447v2

Nucl.Phys.A813:279-292,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, final version to appear in Nucl. Phys. A

Scientific paper

10.1016/j.nuclphysa.2008.09.011

We conjecture that the confinement- deconfinement phase transition in QCD at large number of colors N and N_f\ll N at T\neq 0 and \mu\neq 0 is triggered by the drastic change in \theta behavior. The conjecture is motivated by the holographic model of QCD where confinement -deconfinement phase transition indeed happens precisely at the value of temperature T=T_c where \theta dependence experiences a sudden change in behavior[1]. The conjecture is also supported by quantum field theory arguments when the instanton calculations (which trigger the \theta dependence) are under complete theoretical control for T>T_c, suddenly break down immediately below T

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