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Title of Journal: Indian J Phys

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Abbravation: Indian Journal of Physics

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Springer-Verlag

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0974-9845

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Effects of quantum entropy on bag constant

Authors: D E Miller A Tawfik
Publish Date: 2012/08/08
Volume: 86, Issue: 11, Pages: 1021-1026
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Abstract

The effects of quantum entropy on the bag constant are studied at low temperatures and for small chemical potentials The inclusion of the quantum entropy of the quarks in the equation of state provides the hadronic bag with an additional heat which causes a decrease in the effective latent heat inside the bag We have considered two types of baryonic bags Updelta and Upomega In both cases we have found that the bag constant without the quantum entropy almost does not change with temperature and quark chemical potential The contribution from the quantum entropy to the equation of state clearly decreases the value of the bag constant Furthermore we construct states densities for quarks using the “ThomasFermi model” and take into consideration a thermal potential for the interactionWe wish to acknowledge the stimulating discussions with Frithjof Karsch Krzysztof Redlich and Helmut Satz DEM is very grateful to the Pennsylvania State University Hazleton for the sabbatical leave of absence and to the Fakultät für Physik der Universität Bielefeld

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