Finite Temperature QCD with Wilson Quarks A Study with a Renormalization Group Improved Gau.pdf

UTHEP UTCCPP Septemb er Finite Temp erature QCD with Wilson Quarks A Study with a Renormalization Group Improved Gauge Action a b a b b c a b Y Iwasaki K Kanaya S Kaya S Sakai and T Yoshie a Center for Computational Physics University of Tsukuba Ibaraki Japan b Institute of Physics University of Tsukuba Ibaraki Japan c Faculty of Education Yamagata University Yamagata Japan Finite temp erature transition in lattice QCD with degenerate Wilson quarks is investigated on an N t 5 lattice using a renormalization group improved gauge action We nd the following for the N F case The 9 transition is smo oth for a wide range of the quark mass The chiral transition is continuous The chiral t condensation well satises a scaling relation with the critical exp onents of the dimensional O spin mo del c For N F we nd that the chiral transition is of rst order O 4 Intro duction of K K K is interp olated when data is c c not available The change of the Polyakov lo op 5 In our previous work we investigated at the nite temp e