Detecting relic gravitational radiation from string cosmology with LIGO

Details Detecting relic gravitational radiation from string cosmology with LIGO Detecting relic gravitational radiation from string cosmology with LIGO

1996-09-05

arxiv.org/abs/gr-qc/9609013v1

Phys.Rev.D55:3260-3264,1997

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, 5 eps figures, Revtex

Scientific paper

10.1103/PhysRevD.55.3260

A characteristic spectrum of relic gravitational radiation is produced by a period of ``stringy inflation" in the early universe. This spectrum is unusual, because the energy-density rises rapidly with frequency. We show that correlation experiments with the two gravitational wave detectors being built for the Laser Interferometric Gravitational Observatory (LIGO) could detect this relic radiation, for certain ranges of the parameters that characterize the underlying string cosmology model.

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