【正文】 pact stars isospin asymmetric nuclear matter heavy ion collisions While there is no confinement, NJL is an often used effective model which enables us to see directly the phase transition mechanisms. I? B?I? B?At moderate T, , : lattice QCD(Son,2022, Kogut,2022) and effective models I? B? What we want to do: pion superfluidity and chiral symmetry restoration at finite T, and HENP 20220701 ATHIC, 2022, Seoul 3 2. Quarks at MF + Mesons at RPA in NJL 2 2 12 2 2 22 2 2 2( ) T r L n 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0u u d dTGSV??? ? ? ? ? ? ? ??? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ? ? ?? ? ? ? ? ? ? ?? ? ? ? ?