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Classical and Quantum Gravity Volume 21 Number 14 Create an alert RSS this journal

Xin-He Meng and Peng Wang 2004 Class. Quantum Grav. 21 L101 doi:10.1088/0264-9381/21/14/L02

Cosmological dynamics of D-cceleration

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Xin-He Meng1,2 and Peng Wang1

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Abstract References Cited By

LETTER TO THE EDITOR

We study the cosmological dynamics of an effective theory for a strongly coupled scalar field in the moduli space of {\cal 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.


PACS

98.80.Cq Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.)

11.15.-q Gauge field theories

11.30.Pb Supersymmetry

98.80.Es Observational cosmology (including Hubble constant, distance scale, cosmological constant, early Universe, etc)

MSC

83F05 Cosmology

81T13 Yang-Mills and other gauge theories (See also 53C07, 58E15)

81T60 Supersymmetric field theories

Subjects

Gravitation and cosmology

Particle physics and field theory

Astrophysics and astroparticles

Dates

Issue 14 (21 July 2004)

Received 15 April 2004

Published 28 June 2004



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