TH String Theory Seminar

The Hagedorn temperature of AdS5/CFT4 via integrability

by Dr Matthias Wilhelm (NBI)

4-3-006 - TH Conference Room (CERN)

4-3-006 - TH Conference Room


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We establish a framework for calculating the Hagedorn temperature of AdS5/CFT4 via integrability. Concretely, we derive the thermodynamic Bethe ansatz equations that yield the Hagedorn temperature of planar N=4 super Yang-Mills theory at any value of the 't Hooft coupling. We solve these equations perturbatively at weak coupling via the associated Y-system, confirming the known results at tree-level and one-loop order as well as deriving the previously unknown two-loop Hagedorn temperature. Finally, we comment on solving the equations at finite coupling.

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