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SUMMARY:David Pereñiguez (Madrid\, IFT)
DTSTART:20210708T133000Z
DTEND:20210708T143000Z
DTSTAMP:20260423T040000Z
UID:CENTRA/50
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CENTRA/50/">
 Quasinormal modes of NUT-charged black branes in AdS/CFT</a>\nby David Per
 eñiguez (Madrid\, IFT) as part of CENTRA Seminar\n\n\nAbstract\nIn the co
 ntext of AdS/CFT\, the quasinormal modes (QNM) of black holes in the bulk 
 correspond to the poles of the Green’s functions of the dual finite-temp
 erature QFT. In this talk I will show how 4d black hole perturbation theor
 y in the Newman—Penrose formalism extends to planar black holes in AdS w
 ith NUT charge. Scalar\, electromagnetic and gravitational modes come orga
 nised precisely as Landau levels\, the NUT charge playing the role of a co
 nstant magnetic field. I will derive the boundary conditions at infinity t
 hat are relevant for holography\, and conclude by presenting the associate
 d QNM spectrum and discussing its main features.\n
LOCATION:https://researchseminars.org/talk/CENTRA/50/
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