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Journal of High Energy Physics 05 (2009) 033
Holography and Thermodynamics of 5D Dilaton-gravity
U. Gursoy, E. Kiritsis1, 2, L. Mazzanti3, F. Nitti2

The asymptotically-logarithmically-AdS black-hole solutions of 5D dilaton gravity with a monotonic dilaton potential are analyzed in detail. Such theories are holographically very close to pure Yang-Mills theory in four dimensions. The existence and uniqueness of black-hole solutions is shown. It is also shown that a Hawking-Page transition exists at finite temperature if and only if the potential corresponds to a confining theory. The physics of the transition matches in detail with that of deconfinement of the Yang-Mills theory. The high-temperature phase asymptotes to a free gluon gas at high temperature matching the expected behavior from asymptotic freedom. The thermal gluon condensate is calculated and shown to be crucial for the existence of a non-trivial deconfining transition. The condensate of the topological charge is shown to vanish in the deconfined phase.
1 :  Physics Department
2 :  APC - UMR 7164 - AstroParticule et Cosmologie
3 :  CPHT - Centre de Physique Théorique [Palaiseau]
Physique/Relativité Générale et Cosmologie Quantique

Physique/Physique des Hautes Energies - Phénoménologie

Physique/Physique des Hautes Energies - Théorie
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