https://doi.org/10.1140/epjc/s10052-009-0882-9
Regular Article - Theoretical Physics
Lattice QCD thermodynamic results with improved staggered fermions
Fakultät für Physik, Universität Bielefeld, 33615, Bielefeld, Germany
* e-mail: schmidt@physik.uni-bielefeld.de
Received:
15
October
2008
Revised:
9
December
2008
Published online:
22
January
2009
We present results on the QCD equation of state, obtained with two different improved dynamical staggered fermion actions and almost physical quark masses. Lattice cut-off effects are discussed in detail as results for three different lattice spacings are available now, i.e. results have been obtained on lattices with temporal extent of N τ =4,6 and 8. Furthermore we discuss the Taylor expansion approach to non-zero baryon chemical potential and present the isentropic equation of state on lines of constant entropy per baryon number.
PACS: 11.15.Ha – / 11.10.Wx – / 12.38.Gc – / 12.38.Mh –
© Springer-Verlag , 2009
