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Stochastic background of relic scalar gravitational waves from scalar-tensor gravity

Salvatore Capozziello
(
- Naples U. and
- INFN, Naples
)
,
Christian Corda
(
- INFN, Pisa and
- Pisa U.
)
,
Mariafelicia De Laurentis
(
- Turin Polytechnic and
- INFN, Turin
)

Jul, 2007

7 pages

Published in:

Mod.Phys.Lett.A 22 (2007) 2647-2655

e-Print:

0707.0368 [gr-qc]

DOI:

10.1142/S021773230702573X

View in:

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Abstract: (arXiv)

A stochastic background of relic gravitational waves is achieved by the so called adiabatically-amplified zero-point fluctuations process derived from early inflation. In principle, it provides a distinctive spectrum of relic gravitational waves. In the framework of scalar-tensor gravity, we discuss the scalar modes of gravitational waves and the primordial production of this scalar component which is generated beside tensorial one. We discuss also the upper limit for such a relic scalar component with respect to the WMAP constraints.

Scalar-tensor gravity
gravitational waves
cosmology
gravitation: scalar tensor
gravitational radiation: scalar
background: stochastic
fluctuation: zero-point
gravitational radiation: spectrum
gravitational radiation detector: sensitivity
numerical calculations

References(15)

Figures(0)

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