Anisotropic power-law solutions for a supersymmetry Dirac-Born-Infeld theory

A new set of Bianchi type I power-law expanding solutions is obtained for a supersymmetric Dirac-Born-Infeld (SDBI) theory coupled to a gauge field. Stability analysis is also performed to show that this set of power-law expanding solutions is stable. In particular, this set of power-law solutions p...

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Bibliographic Details
Published in:Classical and quantum gravity 2016-04, Vol.33 (8), p.85009-85041
Main Authors: Do, Tuan Q, Kao, W F
Format: Article
Language:English
Subjects:
Anisotropy
Bianchi spaces
Dirac-Born-Infeld theory
expanding universes
Gages
Joining
Mathematical models
Perturbation methods
Quantum gravity
Scalars
Supersymmetry
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Summary:A new set of Bianchi type I power-law expanding solutions is obtained for a supersymmetric Dirac-Born-Infeld (SDBI) theory coupled to a gauge field. Stability analysis is also performed to show that this set of power-law expanding solutions is stable. In particular, this set of power-law solutions provides an explicit example to the role played by the supersymmetry correction term. We also show by a general approach that any stable anisotropic solution of SDBI model will turn unstable when a phantom field is introduced. We also show that the result of the scalar perturbation indicates that the SDBI model is a realistic model.
ISSN:0264-9381
1361-6382
DOI:10.1088/0264-9381/33/8/085009