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https://physrep.ff.bg.ac.rs/handle/123456789/204
Title: | The energy-momentum of a Poisson structure | Authors: | Burić, Maja Madore, J. Zoupanos, G. |
Issue Date: | 1-Jun-2008 | Journal: | European Physical Journal C | Abstract: | Consider the quasi-commutative approximation to a noncommutative geometry. It is shown that there is a natural map from the resulting Poisson structure to the Riemann curvature of a metric. This map is applied to the study of high-frequency gravitational radiation. In classical gravity in the WKB approximation there are two results of interest, a dispersion relation and a conservation law. Both of these results can be extended to the noncommutative case, with the difference that they result from a cocycle condition on the high-frequency contribution to the Poisson structure, not from the field equations. © 2008 Springer-Verlag / Società Italiana di Fisica. |
URI: | https://physrep.ff.bg.ac.rs/handle/123456789/204 | ISSN: | 1434-6044 | DOI: | 10.1140/epjc/s10052-008-0602-x |
Appears in Collections: | Journal Article |
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