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Asymptotic Symmetries and Charges in De Sitter Space

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arxiv 1009.4730 v1 pith:T4S2H57K submitted 2010-09-23 gr-qc hep-th

Dionysios Anninos , Gim Seng Ng , Andrew Strominger This is my paper · ORCID
classification gr-qchep-th
keywords chargesasymptoticgroupsitteractingchoiceconservationconstructed
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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^+.

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Cited by 4 Pith papers

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