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arXiv:astro-ph/0304268 (astro-ph)
[Submitted on 14 Apr 2003]

Title:Growth Rate of Large Scale Structure as a Powerful Probe of Dark Energy

Authors:Asantha Cooray (Caltech), Dragan Huterer (CWRU), Daniel Baumann (Cambridge)
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Abstract: The redshift evolution of the growth rate of the gravitational potential, d(D/a)/dz, is an excellent discriminator of dark energy parameters and, in principle, more powerful than standard classical tests of cosmology. This evolution is directly observable through the integrated Sachs-Wolfe effect in cosmic microwave background (CMB) anisotropies. We consider the prospects of measuring the growth rate via a novel method employed through measurements of CMB polarization towards galaxy clusters. The potentially achievable errors on dark energy parameters are comparable and fully complementary to those expected from other upcoming tests of dark energy, making this test a highly promising tool of precision cosmology.
Comments: 4 pages, 2 figures, submitted to Phys. Rev. Lett
Subjects: Astrophysics (astro-ph)
Report number: CWRU-P3-03
Cite as: arXiv:astro-ph/0304268
  (or arXiv:astro-ph/0304268v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0304268
Journal reference: Phys.Rev. D69 (2004) 027301
Related DOI: https://doi.org/10.1103/PhysRevD.69.027301

Submission history

From: Asantha Cooray [view email]
[v1] Mon, 14 Apr 2003 20:47:11 UTC (100 KB)
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