Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2008-06-13
Phys.Rev.D78:114503,2008
Physics
High Energy Physics
High Energy Physics - Lattice
16 pages, 12 figures
Scientific paper
10.1103/PhysRevD.78.114503
We investigate the Taylor expansion of the baryon number susceptibility, and hence, pressure, in a series in the baryon chemical potential (mu_B) through a lattice simulation with light dynamical staggered quarks at a finer lattice cutoff a=1/6T. We determine the QCD cross over coupling at mu_B=0. We find the radius of convergence of the series at various temeperatures, and bound the location of the QCD critical point to be T^E/T_c = 0.94 and mu_B^E/T < 1.8. We also investigate the extrapolation of various susceptibilities and linkages to finite chemical potential.
Gavai Rajiv V.
Gupta Sourendu
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