AGILE

Perturbative Approaches to Gravitational Instability and Lensing in Cosmology

Coordinatore	COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES    more  Organization address address: RUE LEBLANC 25 city: PARIS 15 postcode: 75015 contact info Titolo: Dr. Nome: Francis Cognome: Bernardeau Email: send email Telefono: +33 1 69088116 Fax: +33 1 69088120
Nazionalità Coordinatore	France [FR]
Totale costo	0 €
EC contributo	168˙638 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-IEF-2008
Funding Scheme	MC-IEF
Anno di inizio	2010
Periodo (anno-mese-giorno)	2010-01-05   -   2012-01-04

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES  Organization address address: RUE LEBLANC 25 city: PARIS 15 postcode: 75015 contact info Titolo: Dr. Nome: Francis Cognome: Bernardeau Email: send email Telefono: +33 1 69088116 Fax: +33 1 69088120	FR (PARIS 15)	coordinator	168˙638.84

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 Obiettivo del progetto (Objective)

'Observations of the large-scale structure of the Universe are one of the pillar supporting the standard cosmological model. Coming surveys are expected to shed new light on its still missing parts, such as the nature of dark energy and cosmic acceleration. They also can provide increasingly stringent tests of the inflationary paradigm offering a window on the high-energy physics that determined the early stages of the Universe. The unprecedented precision of future large-scale structure surveys however demands better accuracy in the modeling of the physics of gravitational instability. The purpose of this proposal is to extend our theoretical understanding of the formation of structures in the Universe, assessing the potentiality of new powerful perturbative techniques closely related to field-theoretical methods. Such tools will provide predictions for cosmological observables that will be able to match the precision of a wide variety of probes of the distant Universe such as cosmic shear and galaxies; furthermore, they will be complementary to and more flexible than computer simulations while allowing a more direct physical interpretation. Specifically, the goal is to obtain prescriptions for the matter power spectrum and bispectrum on a previously unaccessible wide range of physical scales. The results of this work will find immediate application to the analysis of data from ground-based surveys in development such as CFHT-LS and KIDS and will be even more important for forseen space-based missions such as DUNE.'