QCD Phase Transition with Two Flavors of Wilson Quarks Using a RG Improved Action | Zendy

K. Kanaya | Zendy

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QCD Phase Transition with Two Flavors of Wilson Quarks Using a RG Improved Action

Author(s) -

K. Kanaya

Publication year - 1996

Publication title -

progress of theoretical physics supplement

Language(s) - English

Resource type - Journals

ISSN - 0375-9687

DOI - 10.1143/ptps.122.115

Subject(s) - physics , quark , lattice qcd , particle physics , quantum chromodynamics , degenerate energy levels , lattice field theory , phase transition , renormalization group , crossover , strange quark , observable , lattice gauge theory , lattice (music) , renormalization , gauge theory , mathematical physics , condensed matter physics , quantum mechanics , artificial intelligence , computer science , acoustics

The finite temperature QCD phase transition is studied on the lattice withdegenerate two flavors of Wilson quarks. Motivated by reported strangebehaviors with the standard action on lattices with the temporal extention$N_t=4$ and 6, a renormalization group improved gauge action is applied. On an$N_t=4$ lattice, the strange behaviors observed with the standard action areremoved with our improved action. The finite temperature transition iscontinuous in the chiral limit and it becomes quite smooth in all observableswe studied when we increase the quark mass by increasing $\beta$ along thecrossover line.Comment: uuencoded compressed PS file, 13 pages, 5 figures. Talk given at the Japan-German Seminar {\it QCD on Massively Parallel Computers}, Yamagata, March 16 -- 18, 199

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