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Back reaction of a long range force on a Friedmann-Robertson-Walker background by Brisudova, Martina; Kinney, William H. is a scholarly article available to read on EtoBox.

What is Back reaction of a long range force on a Friedmann-Robertson-Walker background about?

It is possible that there may exist long-range forces in addition to gravity. In this paper we construct a simple model for such a force based on exchange of a massless scalar field and analyze its effect on the evolution of a homogeneous Friedmann-Robertson-Walker cosmology. The presence of such an interaction leads to an equation of state characterized by positive pressure and to resonant particle production similar to that observed in preheating scenarios.

Author

Brisudova, Martina; Kinney, William H.

Published

2000

Language

EN