Quasinormal modes and holography

Details Quasinormal modes and holography Quasinormal modes and holography

2005-06-22

arxiv.org/abs/hep-th/0506184v2

Phys.Rev.D72:086009,2005

Physics

High Energy Physics

High Energy Physics - Theory

28 pages; v2: typos fixed, ref. added

Scientific paper

10.1103/PhysRevD.72.086009

Quasinormal frequencies of electromagnetic and gravitational perturbations in asymptotically AdS spacetime can be identified with poles of the corresponding real-time Green's functions in a holographically dual finite temperature field theory. The quasinormal modes are defined for gauge-invariant quantities which obey incoming-wave boundary condition at the horizon and Dirichlet condition at the boundary. As an application, we explicitly find poles of retarded correlation functions of R-symmetry currents and the energy-momentum tensor in strongly coupled finite temperature N=4 supersymmetric SU(Nc) Yang-Mills theory in the limit of large Nc.

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