Large Scale Structure as a Probe of Gravitational Slip

Details Large Scale Structure as a Probe of Gravitational Slip Large Scale Structure as a Probe of Gravitational Slip

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aps..apr.r8004d&link_type=abstract

American Physical Society, 2008 APS April Meeting and HEDP/HEDLA Meeting, April 11-15, 2008, abstract #R8.004

Physics

Scientific paper

Many modified gravity schemes predict a non-zero difference (``gravitational slip'') between the Newtonian and longitudinal perturbed metric potentials. Such a slip would affect the growth of large scale structure without altering the expansion history of the universe. We quantify the slip with a new parameter , show the effect of non-zero on the growth of cosmic overdensities, and constrain its value using CMB and weak lensing data.

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