Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Observational future of cosmological scalar-tensor theories
Stockholms universitet, Nordiska institutet för teoretisk fysik (Nordita). Berkeley Center for Cosmological Physics and University of California at Berkeley, USA.
Antal upphovsmän: 42017 (Engelska)Ingår i: Physical Review D: covering particles, fields, gravitation, and cosmology, ISSN 2470-0010, E-ISSN 2470-0029, Vol. 95, nr 6, artikel-id 063502Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The next generation of surveys will greatly improve our knowledge of cosmological gravity. In this paper we focus on how Stage IV photometric redshift surveys, including weak lensing and multiple tracers of the matter distribution and radio experiments combined with measurements of the cosmic microwave background will lead to precision constraints on deviations from general relativity. We use a broad subclass of Horndeski scalar-tensor theories to forecast the accuracy with which we will be able to determine these deviations and their degeneracies with other cosmological parameters. Our analysis includes relativistic effects, does not rely on the quasistatic evolution and makes conservative assumptions about the effect of screening on small scales. We define a figure of merit for cosmological tests of gravity and show how the combination of different types of surveys, probing different length scales and redshifts, can be used to pin down constraints on the gravitational physics to better than a few percent, roughly an order of magnitude better than present probes. Future cosmological experiments will be able to constrain he Brans-Dicke parameter at a level comparable to Solar System and astrophysical tests.

Ort, förlag, år, upplaga, sidor
2017. Vol. 95, nr 6, artikel-id 063502
Nationell ämneskategori
Fysik
Identifikatorer
URN: urn:nbn:se:su:diva-141209DOI: 10.1103/PhysRevD.95.063502ISI: 000396031300006OAI: oai:DiVA.org:su-141209DiVA, id: diva2:1090302
Tillgänglig från: 2017-04-24 Skapad: 2017-04-24 Senast uppdaterad: 2017-11-29Bibliografiskt granskad

Open Access i DiVA

Fulltext saknas i DiVA

Övriga länkar

Förlagets fulltext

Sök vidare i DiVA

Av författaren/redaktören
Zumalacárregui, Miguel
Av organisationen
Nordiska institutet för teoretisk fysik (Nordita)
I samma tidskrift
Physical Review D: covering particles, fields, gravitation, and cosmology
Fysik

Sök vidare utanför DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetricpoäng

doi
urn-nbn
Totalt: 96 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf