Anisotropic Power Law Inflation from Rolling Tachyons

Samrat Bhowmick; Sudipta Mukherji

Anisotropic Power Law Inflation from Rolling Tachyons

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arxiv 1105.4455 v3 pith:JCRNW3DN submitted 2011-05-23 hep-th

Anisotropic Power Law Inflation from Rolling Tachyons

Samrat Bhowmick , Sudipta Mukherji This is my paper

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keywords anisotropicinflationpowerrollingsolutiontachyonallowingbrane

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We provide an explicit solution representing an anisotropic power law inflation within the framework of rolling tachyon model. This is generated by allowing a non-minimal coupling between the tachyon and the world-volume gauge field on non-BPS D3 brane. We also show that this solution is perturbatively stable.

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Power-law Bianchi type I inflation with multiple vector fields
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Exact power-law Bianchi type I inflationary solutions are found for one scalar field coupled to up to three vector fields, with stability governed by the relative sizes of the gauge-coupling exponents.