A Fefferman-Graham-like expansion for null warped AdS3

被引：0
作者：
Monica Guica
机构：
[1] University of Pennsylvania,Department of Physics and Astronomy
来源：
Journal of High Energy Physics | / 2012卷
关键词：
Gauge-gravity correspondence; AdS-CFT Correspondence;
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摘要：
We consider null warped AdS3 solutions of three-dimensional gravity coupled to a massive vector field. We isolate a certain set of non-propagating solutions to the equations of motion, which we argue are the ones relevant for understanding the stress tensor sector of the dual field theory. We construct a map from these modes to solutions of three-dimensional Einstein gravity with a negative cosmological constant, and thus show that they admit a Fefferman-Graham-like asymptotic expansion. We also compute the renormalized on-shell action for these modes at full non-linear level and propose that the dual stress-energy tensor couples to the boundary metric of the auxiliary AdS3 spacetime. The holographic stress tensor we obtain is symmetric, conserved and its trace yields the same conformal anomaly as in AdS3.
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