Spherical collapse with dark energy
Feb, 20069 pages
Published in:
- Int.J.Theor.Phys. 46 (2007) 2274-2282
Contribution to:
e-Print:
- astro-ph/0602441 [astro-ph]
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Abstract: (arXiv)
I discuss the work of Maor and Lahav [1], in which the inclusion of dark energy into the spherical collapse formalism is reviewed. Adopting a phenomenological approach, I consider the consequences of - a) allowing the dark energy to cluster, and, b) including the dark energy in the virialization process. Both of these issues affect the final state of the system in a fundamental way. The results suggest a potentially differentiating signature between a true cosmological constant and a dynamic form of dark energy. This signature is unique in the sense that it does not depend on a measurement of the value of the equation of state of dark energy.References(0)
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