Static Generalized Brans-Dicke Universe and Gravitational Waves Amplification
Marcelo S. Berman, Luis A. Trevisan
TL;DR
This paper explores a static solution in a generalized Brans-Dicke universe where the scalar field and coupling vary over time, revealing potential early universe gravitational wave amplification.
Contribution
It introduces a static solution in a generalized Brans-Dicke framework with time-varying scalar field and coupling, and discusses gravitational wave amplification in the early universe.
Findings
Static solution for the scale factor in a generalized Brans-Dicke universe.
Potential amplification of gravitational waves in the early universe.
Scalar field and coupling constant vary with time in the model.
Abstract
We find a static solution for the scale-factor in a Brans-Dicke generalized theory where the scalar field and the coupling constant vary with time. We find also that in the early Universe there may be amplification of gravitational waves.
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Taxonomy
TopicsCosmology and Gravitation Theories · Pulsars and Gravitational Waves Research · Black Holes and Theoretical Physics