Non-perturbative thermodynamics of SU (N) gauge theories

Engels J, Fingberg J, Karsch F, Miller D, Weber M (1990)
Physics Letters, B 252(4): 625-630.

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The pressure near the deconfinement transition as determined up to now in lattice gauge theories shows unphysical behaviour: it can become negative and may in SU (3) even have a gap at the transition. This has been attributed to the use of only perturbatively known derivatives of coupling constants. We propose a method to evaluate the pressure, which works without these derivatives, and is valid on large lattices. In SU (2) we study the finite-volume effects and show that for lattices with spatial extent N-sigma greater-than-or-similar-to 15 these effects are negligible. In SU (3) we then ontain a postive and continuous pressure. The influence of non-perturbative corrections to the beta-function on the energy density are investigated and found to be important, in particular for the latent heat.
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Engels J, Fingberg J, Karsch F, Miller D, Weber M. Non-perturbative thermodynamics of SU (N) gauge theories. Physics Letters, B. 1990;252(4):625-630.
Engels, J., Fingberg, J., Karsch, F., Miller, D., & Weber, M. (1990). Non-perturbative thermodynamics of SU (N) gauge theories. Physics Letters, B, 252(4), 625-630.
Engels, J., Fingberg, J., Karsch, F., Miller, D., and Weber, M. (1990). Non-perturbative thermodynamics of SU (N) gauge theories. Physics Letters, B 252, 625-630.
Engels, J., et al., 1990. Non-perturbative thermodynamics of SU (N) gauge theories. Physics Letters, B, 252(4), p 625-630.
J. Engels, et al., “Non-perturbative thermodynamics of SU (N) gauge theories”, Physics Letters, B, vol. 252, 1990, pp. 625-630.
Engels, J., Fingberg, J., Karsch, F., Miller, D., Weber, M.: Non-perturbative thermodynamics of SU (N) gauge theories. Physics Letters, B. 252, 625-630 (1990).
Engels, Jürgen, Fingberg, Jochen, Karsch, Frithjof, Miller, David, and Weber, M. “Non-perturbative thermodynamics of SU (N) gauge theories”. Physics Letters, B 252.4 (1990): 625-630.
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