Black holes and gravitational waves in string cosmology

Details Black holes and gravitational waves in string cosmology Black holes and gravitational waves in string cosmology

1998-03-19

arxiv.org/abs/gr-qc/9803070v1

Phys.Rev. D58 (1998) 063508

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages RevTeX file

Scientific paper

10.1103/PhysRevD.58.063508

Pre--big bang models of inflation based on string cosmology produce a stochastic gravitational wave background whose spectrum grows with decreasing wavelength, and which may be detectable using interferometers such as LIGO. We point out that the gravitational wave spectrum is closely tied to the density perturbation spectrum, and that the condition for producing observable gravitational waves is very similar to that for producing an observable density of primordial black holes. Detection of both would provide strong support to the string cosmology scenario.

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