Cosmological dynamics of D-cceleration

Details Cosmological dynamics of D-cceleration Cosmological dynamics of D-cceleration

2004-06-22

arxiv.org/abs/astro-ph/0406476v1

Class.Quant.Grav. 21 (2004) L101

Astronomy and Astrophysics

Astrophysics

6 pages, 2 figures. Accepted by Class. Quant. Grav

Scientific paper

10.1088/0264-9381/21/14/L02

We study the cosmological dynamics of an effective theory for a strongly coupled scalar field in the moduli space of $\mathcal{N}=4$ supersymmetric Yang-Mills theory recently proposed by Silverstein and Tong, called "D-cceleration". We discuss various Energy Conditions in this theory. Then we prove the inflationary attractor property using the Hamilton-Jacobi method and study the phase portrait as well as the cosmological evolution of the scalar field.

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