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Nonlinear structure formation with the environmentally dependent dilaton.

Brax, P. and van de Bruck, C. and Davis, A.-C. and Li, B. and Shaw, D.J. (2011) 'Nonlinear structure formation with the environmentally dependent dilaton.', Physical review D., 83 . p. 104026.

Abstract

We have studied the nonlinear structure formation of the environmentally dependent dilaton model using N-body simulations. We find that the mechanism of suppressing the scalar fifth force in high-density regions works very well. Within the parameter space allowed by the solar-system tests, the dilaton model predicts small deviations of the matter power spectrum and the mass function from their ΛCDM counterparts. The importance of taking full account of the nonlinearity of the model is also emphasized.

Item Type:Article
Full text:(NA) Not Applicable
Download PDF (arXiv version)
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1103/PhysRevD.83.104026
Publisher statement:© 2011 American Physical Society
Date accepted:No date available
Date deposited:No date available
Date of first online publication:May 2011
Date first made open access:No date available

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