Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1996-08-09
Nucl.Phys.Proc.Suppl. 53 (1997) 413-416
Physics
High Energy Physics
High Energy Physics - Lattice
Talk presented at LATTICE96(finite temperature) 4 pages, LaTeX2e file, 6 eps-files
Scientific paper
10.1016/S0920-5632(96)00674-3
The thermodynamics of the SU(3) gauge theory has been analyzed with tree level and tadpole improved Symanzik actions. A comparison with the continuum extrapolated results for the standard Wilson action shows that improved actions lead to a drastic reduction of finite cut-off effects already on lattices with temporal extent $N_\tau=4$. Results for the pressure, the critical temperature, surface tension and latent heat are presented. First results for the thermodynamics of four-flavour QCD with an improved staggered action are also presented. They indicate similarly large improvement factors for bulk thermodynamics.
Beinlich B.
Engels Juergen
Joswig R.
Karsch Frithjof
Laermann Edwin
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