INTEGRAL CONSTRAINTS ON COSMOLOGICAL PERTURBATIONS AND THEIR ENERGY

Authors
DERUELLE N KATZ J UZAN JP
Citation
N. Deruelle et al., INTEGRAL CONSTRAINTS ON COSMOLOGICAL PERTURBATIONS AND THEIR ENERGY, Classical and quantum gravity, 14(2), 1997, pp. 421-433
Citations number
14
Categorie Soggetti
Physics
Journal title
Classical and quantum gravity → ACNP
ISSN journal
02649381
Volume
14
Issue
2
Year of publication
1997
Pages
421 - 433
Database
ISI
SICI code
0264-9381(1997)14:2<421:ICOCPA>2.0.ZU;2-Z
Abstract
We show the relation between Traschen's integral equations and energy, and the 'position of the centre of mass' of the matter perturbations in a Robertson-Walker spacetime. When perturbations are 'localized' we get a set of integral constraints that includes hers. We illustrate t hem in a simple example.