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Holographic CBK Relation
Gregory Gabadadze, Giorgi Tukhashvili
The Crewther-Broadhurst-Kataev (CBK) relation connects the Bjorken function for deep-inelastic sum rules (or the Gross - Llewellyn Smith function) with the Adler function for elect…
Soliton Diffusion as a Signature of Hawking Radiation in Bose-Einstein Condensates
Chao Hang, Gregory Gabadadze, Guoxiang Huang
We propose a scheme to detect analog Hawking radiation (HR) in an atomic Bose-Einstein condensate (BEC) through measuring the diffusion of a dark soliton. The HR is generated by ch…
Medium Generated Gap in Gravity and a 3d Gauge Theory
Gregory Gabadadze, Daniel Older
It is well known that a physical medium that sets a Lorentz frame generates a Lorentz-breaking gap for a graviton. We examine such generated "mass" terms in the presence of a fluid…
A Scale-up of Lambda_3
Gregory Gabadadze
Pure massive gravity is strongly coupled at a certain low scale, known as Lambda_3. I show that the theory can be embedded into another one, with new light degrees of freedom, to i…