Göttingen 2012 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 22: Quantenfeldtheorie
T 22.7: Vortrag
Mittwoch, 29. Februar 2012, 18:15–18:30, VG 3.101
Beyond the unitarity bound in AdS/CFT(A)dS — Tomás Andrade1 and •Christoph Uhlemann2 — 1University of California, Santa Barbara — 2Universität Würzburg
We study CFTs on dS and AdS spacetimes from a holographic perspective, in particular how the unitarity properties of the boundary theory are reflected in the bulk description. On geometries with an (A)dS conformal boundary we choose mass and boundary conditions for a Klein-Gordon field such that the corresponding CFT operator violates the unitarity bound. We analyze how the non-unitarity is reproduced in the bulk and discuss, for the case of an AdS boundary, prospects for multi-layered AdS/CFT-type dualities.