aInstitute of High Energy Physics, Academica Sinica, Beijing 100039, PR China
bCCAST (World Laboratory), PO Box 8730, Beijing 100080, PR China
Abstract:
We study the properties of mixed quark–gluon condensate at finite temperature and chemical potential in the framework of global color symmetry model. In comparing with the quark condensate, we confirm that both of these condensates give the same information about chiral phase transition. We also find that the ratio of these two condensates is insensitive to the temperature T and the chemical potential μ, which supports the conclusion obtained recently by the authors using quenched lattice QCD.