Phase transition of lattice quantum chromodynamics with 2+1 flavor fermions at finite temperature and finite density | Zendy

Chen He-Sheng | Zendy

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Phase transition of lattice quantum chromodynamics with 2+1 flavor fermions at finite temperature and finite density

Author(s) -

Chen He-Sheng

Publication year - 2009

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.58.6791

Subject(s) - physics , fermion , quantum chromodynamics , condensed matter physics , phase diagram , quantum phase transition , phase transition , crossover , finite volume method , scaling , quantum monte carlo , lattice (music) , quantum critical point , monte carlo method , quantum electrodynamics , quantum mechanics , phase (matter) , statistics , mathematics , artificial intelligence , computer science , acoustics , geometry

Quantum chromodynamics with 2+1 flavor fermions at finite temperature and finite density was studied. Polyakov loop and chiral condensate were used to determine the dependence of the phase transition on the chemical potential and hop parameter. Finite volume scaling and Monte Carlo simulation were adopted to determine the type of phase transition. It was found that the transition between confined phase and deconfined phase varied from crossover to a first order one while the hop parameter κ1 increased from a small value to nearly the chiral limit. The phase diagram was also presented.

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