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Cosmology with a collisionless gas

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Self-consistent collisionless gas models are used to describe source-free peculiar velocity distributions for tracers of the Hubble flow in Friedman - Lemaitre - Robertson - Walker spacetime with flat spatial sections. This procedure is used to generalize the derivation of Soleng's cosmology and to generate two models which are more realistic. These have an advantage over dust models, which are a singular limit, in that here the pressure is never zero.

Original languageEnglish
Article number010
Pages (from-to)2225-2230
Number of pages6
JournalClassical and Quantum Gravity
Volume12
Issue number9
DOIs
Publication statusPublished - 1995

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