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On a holographic model for confinement/deconfinement

Braga, NRF (Rio de Janeiro)
Friday 24 August 2007, 10:20-10:40

Seminar Room 1, Newton Institute


We study the thermodynamics of the hard wall model, which consists in the introduction of an infrared cut-off in asymptotically AdS spaces. This is a toy model for confining backgrounds in the context of the gauge/gravity correspondence. We use holographic renormalization and reproduce the existence of a Hawking Page phase transition recently discussed by Herzog. We also show that the entropy jumps from N^0 to N^2, which reinforces the interpretation of this transition as the gravity dual of confinement/deconfinement. We also show that similar results hold for the phenomenologically motivated soft wall model, underlying the potential universality of our analysis.

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