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Dolan, Brian P. (2019) The definition of mass in asymptotically de Sitter space-times. Classical and Quantum Gravity, 36 (7). ISSN 0264-9381
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Abstract
An invariant definition of mass in asymptotically de-Sitter space-times is given that relies on the
existence of a time-like Killing vector on a sphere surrounding the mass but does not require going
to an asymptotic region. In particular the mass can be calculated exactly on a sphere inside the
cosmological horizon. The formalism requires varying the background metric solution by a perturbation that satisfies the linearized equations of motion but need not share the Killing symmetry of
the solution and is therefore applicable when a gravitational wave within the cosmological horizon
perturbs a background metric with a time-like Killing vector.
| Item Type: | Article |
|---|---|
| Keywords: | general relativity; black holes; mass; symmetries; |
| Academic Unit: | Faculty of Science and Engineering > Theoretical Physics |
| Item ID: | 13886 |
| Depositing User: | Dr. Brian Dolan |
| Date Deposited: | 01 Feb 2021 12:10 |
| Journal or Publication Title: | Classical and Quantum Gravity |
| Publisher: | Institute of Physics |
| Refereed: | Yes |
| Related URLs: | |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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