Multiple and anisotropic inflation with exponential potentials
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Abstract: (IOP)
It is shown how the field equations for a self-interacting scalar field propagating in the Bianchi I spacetime can be expressed as a set of first-order non-linear partial differential equations. These equations are solved for (a) an exponential potential, and (b) a general potential when slow-roll is valid. It is shown how these solutions can be used to study anisotropic inflation in the Brans-Dicke theory of gravity and inflation driven by superstrings.- field equations: solution
- field theory: scalar
- Bianchi identity
- differential equations: nonlinear
- potential
- inflation: anisotropy
- Brans-Dicke model
- gravitation
- string model
- supersymmetry
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