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arxiv: gr-qc/9608046 · v1 · submitted 1996-08-19 · 🌀 gr-qc

Integral Constraints On cosmological Perturbations and their Energy

Nathalie Deruelle (DARC , Observatoire de Paris , DAMTP , Cambridge) , Joseph Katz (Racah Institute of Physics , Jerusalem) , Jean-Philippe Uzan (DARC , Observatoire de Paris) This is my paper
classification 🌀 gr-qc
keywords integralperturbationsconstraintsenergycentrecosmologicalequationsexample
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We show the relation between Traschen's integral equations and the energy, and ``position of the centre of mass'', of the matter perturbations in a Robertson-Walker spacetime. When the perturbations are ``localised'' we get a set of integral constraints that includes hers. We illustrate them on a simple example.

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