Staff View: Stable small spatial hairs in a power-law k-inflation model

Stable small spatial hairs in a power-law k-inflation model

In this paper, we extend our investigation of the validity of the cosmic no-hair conjecture within non-canonical anisotropic inflation. As a result, we are able to figure out an exact Bianchi type I solution to a power-law {\it k}-inflation model in the presence of unusual coupling between scalar an...

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Main Author:	Tuan Q. Do
Format:	Article
Language:	Vietnamese
Published:	2020
Subjects:	General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics
Online Access:	https://dlib.phenikaa-uni.edu.vn/handle/PNK/589
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spelling	oai:localhost:PNK-5892022-08-17T05:54:38Z Stable small spatial hairs in a power-law k-inflation model Tuan Q. Do General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics In this paper, we extend our investigation of the validity of the cosmic no-hair conjecture within non-canonical anisotropic inflation. As a result, we are able to figure out an exact Bianchi type I solution to a power-law {\it k}-inflation model in the presence of unusual coupling between scalar and electromagnetic fields as −f2(ϕ)FμνFμν/4. Furthermore, stability analysis based on the dynamical system method indicates that the obtained solution does admit stable and attractive hairs during an inflationary phase and therefore violates the cosmic no-hair conjecture. 2020-10-13T04:29:20Z 2020-10-13T04:29:20Z 2020 Article arXiv:2007.04867 https://dlib.phenikaa-uni.edu.vn/handle/PNK/589 vi application/pdf
institution	Digital Phenikaa
collection	Digital Phenikaa
language	Vietnamese
topic	General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics
spellingShingle	General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics Tuan Q. Do Stable small spatial hairs in a power-law k-inflation model
description	In this paper, we extend our investigation of the validity of the cosmic no-hair conjecture within non-canonical anisotropic inflation. As a result, we are able to figure out an exact Bianchi type I solution to a power-law {\it k}-inflation model in the presence of unusual coupling between scalar and electromagnetic fields as −f2(ϕ)FμνFμν/4. Furthermore, stability analysis based on the dynamical system method indicates that the obtained solution does admit stable and attractive hairs during an inflationary phase and therefore violates the cosmic no-hair conjecture.
format	Article
author	Tuan Q. Do
author_facet	Tuan Q. Do
author_sort	Tuan Q. Do
title	Stable small spatial hairs in a power-law k-inflation model
title_short	Stable small spatial hairs in a power-law k-inflation model
title_full	Stable small spatial hairs in a power-law k-inflation model
title_fullStr	Stable small spatial hairs in a power-law k-inflation model
title_full_unstemmed	Stable small spatial hairs in a power-law k-inflation model
title_sort	stable small spatial hairs in a power-law k-inflation model
publishDate	2020
url	https://dlib.phenikaa-uni.edu.vn/handle/PNK/589
_version_	1751856317103865856
score	8.893527

Stable small spatial hairs in a power-law k-inflation model

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