Deconfining and chiral phase transitions in quantum chromodynamics at finite temperature |
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Authors: | T Banks A Ukawa |
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Institution: | Institute for Theoretical Physics, Stanford University, Stanford, CA 94305, USA;Institute for Nuclear Study, University of Tokyo, Tanashi, Tokyo 188, Japan |
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Abstract: | We give further arguments to support the claim of Svetitsky and Yaffe that the finite-temperature transition in 4-dimensional SU(N) gauge theories is in the universality class of 3-dimensional ZN spin models. We show that this implies a smoothing out of the transition when quarks are added to the system as long as N ≠ 3. For N = 3 the pure gauge transition is expected to be first order and will be smoothed by quarks only if the quark contribution to the internal energy is larger than the latent heat of transition. |
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