Constraining the dark energy with Ly-alpha forest

Details Constraining the dark energy with Ly-alpha forest Constraining the dark energy with Ly-alpha forest

2002-12-15

arxiv.org/abs/astro-ph/0212343v1

Astronomy and Astrophysics

Astrophysics

5 pages, to appear in proceedings of the XVIII'th IAP Colloquium `On the Nature of Dark Energy', IAP Paris

Scientific paper

Statistical properties of gas absorption in high redshift quasars such as power spectrum and bispectrum allow one to determine the evolution of structure over the redshift range 20.1-0.2 at z>2. In combination with low redshift studies one can place useful limits on the time evolution of the equation of state.

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