Please use this identifier to cite or link to this item: 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
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