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26 April 2024

» arxiv » astro-ph/0205428

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A late-time transition in the equation of state versus Lambda-CDM
B.A. Bassett ; M. Kunz ; J. Silk ; C. Ungarelli ;
Date:	24 May 2002
Subject:	astro-ph
Abstract:	We study a model of the dark energy which exhibits a rapid change in its equation of state w(z), such as occurs in vacuum metamorphosis. We compare the model predictions with CMB, large scale structure and supernova data and show that a late-time transition is marginally preferred over standard Lambda-CDM.
Source:	arXiv, astro-ph/0205428
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