Thawing f(R) cosmology

Journal Article · Sat Aug 15 00:00:00 EDT 2009 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.80.043508· OSTI ID:21322436

Roshan, Mahmood; Shojai, Fatimah ^[1]

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1. Department of Physics, University of Tehran, Tehran (Iran, Islamic Republic of)

We consider Brans-Dicke (BD) scalar tensor theory in the conformally transformed Einstein frame. In this frame BD theory behaves like an interacting quintessence model. We find the necessary conditions on the form of the potential V({phi}) in order to have thawing behavior. Finally, by setting the BD coupling constant {omega}=0, the metric f(R) gravity has been considered in the Einstein frame. Assuming the existence of thawing solution, some necessary conditions for f(R) gravity models have been derived.

• OSTI ID: 21322436
• Journal Information: Physical Review. D, Particles Fields, Vol. 80, Issue 4; Other Information: DOI: 10.1103/PhysRevD.80.043508; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BRANES
COSMOLOGY
COUPLING CONSTANTS
GRAVITATION
MATHEMATICAL SOLUTIONS
METRICS
NONLUMINOUS MATTER
SIMULATION
THAWING