General covariance in gravity at a Lifshitz point
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Publication:3014021
DOI10.1088/0264-9381/28/11/114012zbMATH Open1225.83033arXiv1101.1081OpenAlexW2143578557WikidataQ125771587 ScholiaQ125771587MaRDI QIDQ3014021
Author name not available (Why is that?)
Publication date: 19 July 2011
Published in: (Search for Journal in Brave)
Abstract: This paper is based on the invited talks delivered by the author at GR 19: the 19th International Conference on General Relativity and Gravitation, Ciudad de M'exico, M'exico, July 2010. In Part 1, we briefly review some of the main features of quantum gravity with anisotropic scaling, and comment on its possible relation to the causal dynamical triangulations (CDT) approach to lattice quantum gravity. Part 2 explains the construction of gravity with anisotropic scaling with an extended gauge symmetry -- essentially a nonrelativistic version of general covariance. This extra symmetry eliminates the scalar graviton polarization, and thus brings the theory closer to general relativity at long distances.
Full work available at URL: https://arxiv.org/abs/1101.1081
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