Voids of Dark Energy

Details Voids of Dark Energy Voids of Dark Energy

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jena.confe..72m&link_type=abstract

"JENAM-2007, "Our non-stable Universe", held 20-25 August 2007 in Yerevan, Armenia. Abstract book, p. 72-72"

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Scientific paper

I discuss the clustering properties of a dynamical dark energy component. Modeling the dark energy as a light scalar field, the regime where the mass scale of the field is comparable to the Hubble scale gives non trivial dynamics, and the scalar field tends to form underdensities in response to the gravitationally collapsing matter. I shall discuss in detail the physics behind the formation of such voids, and the generality of these results. Detection of dark energy voids will clearly rule out the cosmological constant as the main source of the present acceleration.

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