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SUMMARY:A Top-Down Model for Lifshitz Holography - Hartong\, J (University
  of Copenhagen)
DTSTART:20130919T144500Z
DTEND:20130919T151500Z
UID:TALK47247@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION: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 as
 ymptotically AdS space-times. The model forms a well-behaved low energy li
 mit of type IIB string theory. I will show that the boundary geometry of a
 symptotically locally Lifshitz space-times is described by Newton-Cartan g
 eometry  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 compu
 te the Lifshitz boundary stress energy tensor and derive its Ward identiti
 es. 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 addit
 ional free function that does not talk to any of the sources and vevs.
LOCATION:Seminar Room 1\, Newton Institute
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