String Free Energy, Hagedorn and Gauge/String Duality

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Andreev, Oleg
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We give examples of modeling the string free energy whose behavior mimics that of QCD: a power-law at high temperature and an exponential decrease at low temperature. Although the effective description is in terms of strings, no limiting temperature exists, as expected for a crossover.
Comment: 7 pages; v3: discussion improved in section 2, figure and references added
Keywords
High Energy Physics - Theory, High Energy Physics - Phenomenology, Nuclear Theory
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