Cosmological dynamics of D-cceleration
Xin-He Meng, Peng Wang
Abstract
We study the cosmological dynamics of an effective theory for a strongly coupled scalar field in the moduli space of 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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