We calculate the free energy, spatial string tension and Polyakov loop of the gluon plasma using the dilaton potential of Ref. [1] in the dilaton‐gravity theory of AdS/QCD. The free energy is computed from the Black Hole solutions of the Einstein equations in two ways: first, from the Bekenstein‐Hawking proportionality of the entropy with the area of the horizon, and secondly from the Page‐Hawking computation of the free energy. The finite temperature behaviour of the spatial string tension and Polyakov loop follow from the corresponding string theory in Comparison with lattice data is made.
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© 2011 American Institute of Physics.
2011
American Institute of Physics
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