Thermodynamics of strong coupling 2-color QCD with chiral and diquark condensates

Details Thermodynamics of strong coupling 2-color QCD with chiral and diquark condensates Thermodynamics of strong coupling 2-color QCD with chiral and diquark condensates

2003-06-07

arxiv.org/abs/hep-ph/0306066v2

Phys.Rept. 398 (2004) 281-300

Physics

High Energy Physics

High Energy Physics - Phenomenology

Contribution to the Hidenaga Yamagishi Commemorative volume of Physics Reports, edited by E. Witten and I. Zahed; typos are co

Scientific paper

10.1016/j.physrep.2004.05.005

2-color QCD (quantum chromodynamics with N_c=2) at finite temperature T and chemical potential \mu is revisited in the strong coupling limit on the lattice with staggered fermions. The phase structure in the space of T, \mu, and the quark mass m is elucidated with the use of the mean field approximation and the 1/d expansion (d being the number of spatial dimensions). We put special emphasis on the interplay among the chiral condensate <\bar{q}q>, the diquark condensate , and the quark density in the T-\mu-m space. Simple analytic formulae are also derived without assuming \mu nor m being small. Qualitative comparisons are made between our results and those of recent Monte-Carlo simulations in 2-color QCD.

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