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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| Định dạng: | Bài Báo |
| Ngôn ngữ: | Vietnamese |
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2020
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| Truy cập trực tuyến: | https://dlib.phenikaa-uni.edu.vn/handle/PNK/589 |
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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 |
8.887836 |