Determining the Cosmic Equation of State Using Future Gravitational Wave Detectors

Details Determining the Cosmic Equation of State Using Future Gravitational Wave Detectors Determining the Cosmic Equation of State Using Future Gravitational Wave Detectors

2001-07-13

arxiv.org/abs/astro-ph/0107234v1

Astron.Astrophys.372:377,2001

Astronomy and Astrophysics

Astrophysics

5 pages, four figures, aa.sty LaTex file

Scientific paper

10.1051/0004-6361:20010458

The expected chirp mass distribution of observed events for future gravitational wave detectors is extensively investigated in the presence of an exotic fluid component with an arbitrary equation of state, $-1 \leq \omega_x \equiv p_x/\rho_x < 0$, i.e., the so-called dark energy component. The results for a flat model dominated by a dark energy are compared to those for the standard flat model dominated by cold dark matter. It is found that for a flat universe the chirp mass distribution shows a sensitive dependence on $\omega_x$, which may provide an independent and robust constraint on the cosmic equation of state.

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