Proceedings of the 10th Quantum Field Theory Under the Influence of External Conditions (QFEXT11); Editors: M. Asorey, M. Bordag, E. ElizaldeOpen Access

FURTHER GRAVITATIONAL WAVE MODES FROM HIGHER ORDER GRAVITY

SALVATORE CAPOZZIELLO

Dipartimento di Scienze Fisiche, Universit di Napoli "Federico II", Compl. Univ. di Monte S., Angelo, Edificio G, Via Cinthia, I-80126, Napoli, Italy

INFN Sezione di Napoli, Compl. Univ. di Monte S. Angelo, Edificio G, Via Cinthia, I-80126, Napoli, Italy

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and

MARIAFELICIA DE LAURENTIS

Dipartimento di Scienze Fisiche, Universit di Napoli "Federico II", Compl. Univ. di Monte S., Angelo, Edificio G, Via Cinthia, I-80126, Napoli, Italy

INFN Sezione di Napoli, Compl. Univ. di Monte S. Angelo, Edificio G, Via Cinthia, I-80126, Napoli, Italy

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https://doi.org/10.1142/S2010194512007386Cited by:5 (Source: Crossref)

Abstract

It is shown that linearizing higher order theories of gravity, further gravitational massive modes emerge. Besides massless spin-2, also spin-0 and spin-2 massive and ghost fields have to be considered. We investigate the possible detectability of such additional modes on the stochastic cosmic background of gravitational waves by ground-based and space interferometric detectors and calculate the detectable energy density of the spectrum. In conclusion, these massive modes could be of interest for direct detection by the forthcoming LISA experiment.

Keywords:

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