Back reaction of a long range force on a Friedmann-Robertson-Walker background

Martina Brisudova; William H. Kinney

doi:10.1103/PhysRevD.62.103516

Back reaction of a long range force on a Friedmann-Robertson-Walker background

Martina Brisudova
, William H. Kinney

Physics

University of Florida

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

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.

Original language	English
Article number	103516
Pages (from-to)	1-7
Number of pages	7
Journal	Physical Review D
Volume	62
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevD.62.103516
State	Published - Nov 15 2000

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10.1103/PhysRevD.62.103516

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title = "Back reaction of a long range force on a Friedmann-Robertson-Walker background",

abstract = "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.",

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AU - Kinney, William H.

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AB - 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.

UR - https://www.scopus.com/pages/publications/17044429019

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DO - 10.1103/PhysRevD.62.103516

M3 - Article

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Back reaction of a long range force on a Friedmann-Robertson-Walker background

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