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Confirmation of general relativity on large scales from weak lensing and galaxy velocities

Author

Listed:
  • Reinabelle Reyes

    (Princeton University Observatory, Peyton Hall, Princeton, New Jersey 08544, USA)

  • Rachel Mandelbaum

    (Princeton University Observatory, Peyton Hall, Princeton, New Jersey 08544, USA)

  • Uros Seljak

    (Institute for Theoretical Physics, University of Zurich
    University of California, Berkeley, California 94720, USA
    Institute for Early Universe, Ewha University)

  • Tobias Baldauf

    (Institute for Theoretical Physics, University of Zurich)

  • James E. Gunn

    (Princeton University Observatory, Peyton Hall, Princeton, New Jersey 08544, USA)

  • Lucas Lombriser

    (Institute for Theoretical Physics, University of Zurich)

  • Robert E. Smith

    (Institute for Theoretical Physics, University of Zurich)

Abstract

General relativity stacks up Modern cosmology relies on the assumption that general relativity is a valid theory of gravity at cosmological scales, though until now no test of the proposition has been possible. One such test was recently proposed, though, based on a determination of a quantity EG that combines measures of large-scale gravitational lensing, galaxy clustering, and the growth rate of structure as predicted by the standard model. Reyes et al. report a measurement of EG = 0.39±0.06 based on data from a sample of more than 70,000 distant galaxies, which is consistent with the value of 0.4 predicted by general relativity.

Suggested Citation

  • Reinabelle Reyes & Rachel Mandelbaum & Uros Seljak & Tobias Baldauf & James E. Gunn & Lucas Lombriser & Robert E. Smith, 2010. "Confirmation of general relativity on large scales from weak lensing and galaxy velocities," Nature, Nature, vol. 464(7286), pages 256-258, March.
    • Handle: RePEc:nat:nature:v:464:y:2010:i:7286:d:10.1038_nature08857
    DOI: 10.1038/nature08857
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