Journal of High Energy Physics
A variational formulation is given for a theory of gravity coupled to a massive vector in four dimensions, with Asymptotically Lifshitz boundary conditions on the fields. For theories with critical exponent z=2 we obtain a well-defined variational principle by explicitly constructing two actions with local boundary counterterms. As part of our analysis we obtain solutions of these theories on a neighborhood of spatial infinity, study the asymptotic symmetries, and consider different definitions of the boundary stress tensor and associated charges. A constraint on the boundary data for the fields figures prominently in one of our formulations, and in that case the only suitable definition of the boundary stress tensor is due to Hollands, Ishibashi, and Marolf. Their definition naturally emerges from our requirement of finiteness of the action under Hamilton-Jacobi variations of the fields. A second, more general variational principle also allows the Brown-York definition of a boundary stress tensor.
Reference Type: Journal Article Author: Mann, Robert Author: McNees, Robert Primary Title: Holographic renormalization for asymptotically Lifshitz spacetimes Journal Name: Journal of High Energy Physics Cover Date: 2011-10-01 Publisher: Springer Berlin / Heidelberg Issn: 1029-8479 Subject: Physics and Astronomy Start Page: 1 End Page: 35 Volume: 2011 Issue: 10 Url: http://dx.doi.org/10.1007/JHEP10(2011)129 Doi: 10.1007/JHEP10(2011)129
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Copyright © 2011 Robert A McNees IV, Robert Mann