Inflation in anisotropic brane universe using tachyon field

被引：9

作者：

Sengupta, Rikpratik ^{[1
]}

Paul, Prasenjit ^{[1
,2
]}

Paul, Bikash Chandra ^{[3
]}

Ray, Saibal ^{[1
]}

机构：

[1] Govt Coll Engn & Ceram Technol, Dept Phys, Kolkata 700010, W Bengal, India

[2] Indian Inst Engn Sci & Technol, Dept Phys, Howrah 711103, W Bengal, India

[3] Univ North Bengal, Dept Phys, Siliguri 734013, W Bengal, India

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2019年 / 28卷 / 13期

关键词：

Cosmology; inflation; braneworld; tachyon field; PROBE WMAP OBSERVATIONS; PHASE-TRANSITION;

D O I：

10.1142/S0218271819410104

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页数：15

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