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SUMMARY:Non Relativistic Quantum Gravity -  Diego Blas (Ecole polytechniqu
 e federale de Lausanne)
DTSTART:20101126T130000Z
DTEND:20101126T140000Z
UID:TALK27352@talks.cam.ac.uk
CONTACT:David Kubiznak
DESCRIPTION:I will review the recent proposal to make general relativity r
 enormalizable in 4D at the expense of breaking Lorentz invariance. After i
 ntroducing the original idea by P. Horava through a toy model\, I will pre
 sent the similar realization for the gravitational field where an extra de
 gree of freedom with respect to general relativity will appear. Depending 
 on the behavior of the extra mode\, the theory may become unstable or stro
 ngly coupled. I will finally show that\, in spite of this\, the first phen
 omenological tests allow for such a theory without any of these blatant pr
 oblems.
LOCATION:Pavilion B Potter Room (B1.19)
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