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Scalar field oscillations contributing to dark energy

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021893.pdf (175.5Kb)
Issue date
2005
Author
Massó, Eduard
Rota, Francesc
Zsembinszki, Gabriel
Suggested citation
Massó, Eduard; Rota, Francesc; Zsembinszki, Gabriel; . (2005) . Scalar field oscillations contributing to dark energy. Physical Review D, 2005, vol. 72, núm. 8, p. 084007. https://doi.org/10.1103/PhysRevD.72.084007.
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Abstract
We use action-angle variables to describe the basic physics of coherent scalar field oscillations in the expanding universe. These analytical mechanics methods have some advantages, like the identification of adiabatic invariants. As an application, we show some instances of potentials leading to equations of state with p < =3, thus contributing to the dark energy that causes the observed acceleration of the universe
URI
http://hdl.handle.net/10459.1/56669
DOI
https://doi.org/10.1103/PhysRevD.72.084007
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Physical Review D, 2005, vol. 72, núm. 8, p. 084007
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