S. Ejiri

Isentropic equation of state of 2-flavor QCD

Using Taylor expansions of the pressure obtained previously in studies of 2-flavor QCD at nonzero chemical potential we calculate expansion coefficients for the energy and entropy densities up to

Screening of heavy quark free energies at finite temperatureand non-zero baryon chemical potential

mathcal{O}({ensuremath{mu}}_{q}^{6})

Recent progress in lattice QCD at finite density

in the quark chemical potential. We use these series in

Free energies of heavy quarks in full-QCD lattice simulations with Wilson-type quark action

{ensuremath{mu}}_{q}/T

Fixed scale approach to the equation of state on the lattice

to determine lines of constant entropy per baryon number (

Lattice QCD Thermodynamics with Wilson Quarks

S/{N}_{B}

Finite temperature phase transition of two-flavor QCD with an improved Wilson quark action

) that characterize the expansion of dense matter created in heavy ion collisions. In the high temperature regime these lines are found to be well approximated by lines of constant

Thermodynamics of SU(3) gauge theory at fixed lattice spacing

{ensuremath{mu}}_{q}/T

Static quark free energies at finite temperature with two flavors of improved Wilson quarks

. In the low temperature phase, however, the quark chemical potential is found to increase with decreasing temperature. This is in accordance with resonance gas model calculations. Along the lines of constant

Equation of state at finite density in two-flavor QCD with improved Wilson quarks

S/{N}_{B}