%0 Journal Article
%T The $N_t=6$ equation of state for two flavor QCD
%A C. Bernard
%A T. Blum
%A C. DeTar
%A Steven Gottlieb
%A U. M. Heller
%A J. E. Hetrick
%A L. Karkkainen
%A K. Rummukainen
%A R. Sugar
%A D. Toussaint
%A M. Wingate
%J Physics
%D 1995
%I arXiv
%R 10.1016/0920-5632(96)00110-7
%X We improve the calculation of the equation of state for two flavor QCD by simulating on $N_t=6$ lattices at appropriate values of the couplings for the deconfinement/chiral symmetry restoration crossover. For $am_q=0.0125$ the energy density rises rapidly to approximately 1 ${\rm GeV/fm^3}$ just after the crossover($m_\pi/m_\rho\approx 0.4$ at this point). Comparing with our previous result for $N_t=4$~\cite{eos}, we find large finite $N_t$ corrections as expected from free field theory on finite lattices. We also provide formulae for extracting the speed of sound from the measured quantities.
%U http://arxiv.org/abs/hep-lat/9509093v1