Direct Detection of Primordial Gravitational Waves in a BSI Inflationary Model

Details Direct Detection of Primordial Gravitational Waves in a BSI Inflationary Model Direct Detection of Primordial Gravitational Waves in a BSI Inflationary Model

1999-06-17

arxiv.org/abs/gr-qc/9906075v1

Phys.Lett. B458 (1999) 13-18

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

to appear in Phys. Lett. B, (uses LaTeX, 10 pages)

Scientific paper

10.1016/S0370-2693(99)00570-5

We investigate the possibility for a direct detection by future space interferometers of the stochastic gravitational wave (GW) background generated during the inflationary stage in a class of viable $\Lambda$CDM BSI models. At frequencies around $10^{-3}$Hz, maximal values $\Omega_{gw}(\nu)\sim 3\times 10^{-15}$ are found, an improvement of about one order of magnitude compared to single-field, slow-roll inflationary models. This is presumably not sufficient in order to be probed in the near future.

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