A Top-Down Model for Lifshitz Holography

31 mins 45 secs,  252.75 MB,  WebM  640x360,  29.97 fps,  44100 Hz,  1.06 Mbits/sec
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Description: Hartong, J (University of Copenhagen)
Thursday 19 September 2013, 15:45-16:15
 
Created: 2013-09-20 09:58
Collection: Mathematics and Physics of the Holographic Principle
Publisher: Isaac Newton Institute
Copyright: Hartong, J
Language: eng (English)
Distribution: World     (downloadable)
Explicit content: No
Aspect Ratio: 16:9
Screencast: No
Bumper: UCS Default
Trailer: UCS Default
 
Abstract: In this talk I will discuss Lifshitz holography for a specific model admitting 4D z=2 Lifshitz space-times that can be uplifted to 5D asymptotically AdS space-times. The model forms a well-behaved low energy limit of type IIB string theory. I will show that the boundary geometry of asymptotically locally Lifshitz space-times is described by Newton-Cartan geometry with in general nonzero torsion. To properly account for all the sources and local symmetries it is very useful to use a Vielbein formalism. Further all deformations of asymptotically locally Lifshitz space-times allowed by the equations of motion are discussed. I will use this to compute the Lifshitz boundary stress energy tensor and derive its Ward identities. I will also show that the 4D Fefferman-Graham expansion has 6+6+1 free functions where 6 are sources and 6 are vevs and where there is one additional free function that does not talk to any of the sources and vevs.
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