Asymptotic Symmetries and Charges in De Sitter Space
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https://doi.org/10.1088/0264-9381/28/17/175019Metadata
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Anninos, Dionysios, Gim Seng Ng, and Andrew Strominger. 2011. Asymptotic symmetries and charges in de Sitter space. Classical and Quantum Gravity 28(17): 175019.Abstract
The asymptotic symmetry group (ASG) at future null infinity \((I^+)\) of four-dimensional de Sitter spacetimes is defined and shown to be given by the group of three-dimensional diffeomorphisms acting on \(I^+\). Finite charges are constructed for each choice of ASG generator together with a two-surface on \(I^+\). A conservation equation is derived relating the evolution of the charges with the radiation flux through \(I^+\).Other Sources
http://arxiv.org/abs/1009.4730Terms of Use
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