Scalar field oscillations contributing to dark energy

Scalar field oscillations contributing to dark energy

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 eq...

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Veröffentlicht in:Physical review. D, Particles and fields Particles and fields, 2005-10, Vol.72 (8), Article 084007
Hauptverfasser: Massó, Eduard, Rota, Francesc, Zsembinszki, Gabriel
Format: Artikel
Sprache:eng
Schlagworte:
ACCELERATION
COSMOLOGY
EQUATIONS OF STATE
NONLUMINOUS MATTER
OSCILLATIONS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
POTENTIALS
SCALAR FIELDS
UNIVERSE
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Beschreibung
Zusammenfassung: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
ISSN:1550-7998
0556-2821
1550-2368
1089-4918
DOI:10.1103/PhysRevD.72.084007