Two Windows on Acceleration and Gravitation: Dark Energy or New Gravity?

Preprint

30 March 2005

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.astro-ph/0503644

Abstract

Small distortions in the observed shapes of distant galaxies, a cosmic shear due to gravitational lensing, can be used to simultaneously determine the distance-redshift relation, r(z), and the density contrast growth factor, g(z). Both of these functions are sensitive probes of the acceleration. Their simultaneous determination allows for a consistency test and provides sensitivity to physics beyond the standard dark energy paradigm.

Keywords

CONSISTENCY TEST
DARK ENERGY
ENERGY OR NEW
FUNCTIONS ARE SENSITIVE
GALAXIES
GRAVITATION
GRAVITY
LENSING
SIMULTANEOUSLY DETERMINE
TWO WINDOWS

All Related Versions

Version 1, 2005-03-30, ArXiv
Published version: Physical Review D, 74 (2), 023512.

This publication has 0 references indexed in Scilit: