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Inflation in anisotropic brane universe using tachyon field

Rikpratik Sengupta

Department of Physics, Government College of Engineering and Ceramic Technology, Kolkata 700 010, West Bengal, India

E-mail Address: rikpratik.sengupta@gmail.com

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Prasenjit Paul

Department of Physics, Government College of Engineering and Ceramic Technology, Kolkata 700 010, West Bengal, India

Department of Physics, Indian Institute of Engineering Science and Technology, Howrah 711 103, West Bengal, India

E-mail Address: prasenjit071083@gmail.com

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Bikash Chandra Paul

Department of Physics, University of North Bengal, Siliguri 734 013, West Bengal, India

E-mail Address: bcpaul@associates.iucaa.in

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, and

Saibal Ray

http://orcid.org/0000-0002-5909-0544

Department of Physics, Government College of Engineering and Ceramic Technology, Kolkata 700 010, West Bengal, India

E-mail Address: saibal@associates.iucaa.in

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https://doi.org/10.1142/S0218271819410104Cited by:9 (Source: Crossref)

This article is part of the issue:

SPECIAL ISSUE: New Trends in Particle Physics and Astrophysics
Editor: M. Yu. Khlopov

Abstract

Cosmological solution to the gravitational field equations in the generalized Randall–Sundrum model for an anisotropic brane with Bianchi-I geometry and perfect fluid as matter sources has been considered. The matter on the brane is described by a tachyonic field. The solution admits inflationary era and at a later epoch the anisotropy of the universe washes out. We obtain two classes of cosmological scenario: in the first case, universe evolves from singularity and in the second case, universe expands without singularity.

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