The Paths of Quintessence

Linder, Eric V.

doi:10.1103/PhysRevD.73.063010

Title: The Paths of Quintessence

Journal Article · Mon Mar 13 00:00:00 EST 2006 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.73.063010· OSTI ID:918913

Linder, Eric V.

The structure of the dark energy equation of state phase plane holds important information on the nature of the physics. We explain the bounds of the freezing and thawing models of scalar field dark energy in terms of the tension between the steepness of the potential vs. the Hubble drag. Additionally, we extend the phase plane structure to modified gravity theories, examine trajectories of models with certain properties, and categorize regions in terms of scalar field hierarchical parameters, showing that dark energy is generically not a slow roll phenomenon.

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Research Organization:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Director. Office of Science. High EnergyPhysics

DOE Contract Number:: DE-AC02-05CH11231

OSTI ID:: 918913

Report Number(s):: LBNL-59845; PRVDAQ; R&D Project: PB1100; TRN: US0805919

Journal Information:: Physical Review D, Vol. 73; Related Information: Journal Publication Date: 2006; ISSN 0556-2821

Country of Publication:: United States

Language:: English

References (37)

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FREEZING
PHYSICS
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TRAJECTORIES

Title: The Paths of Quintessence

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