Conversion of high frequency relic gravitational waves into photons in cosmological magnetic field
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arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866909311378128896 |
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| author | Panasenko, L. A. Chetverikov, A. O. |
| author_facet | Panasenko, L. A. Chetverikov, A. O. |
| contents | This work continues the research presented in the article [1], where we estimate the Gertsenshtein effect's influence on the long-wavelength part of relic gravitational wave spectrum. Here, the differential equation system for the Gertsenshtein effect in Friedman-LeMaitre-Robertson-Walker universe, derived in [1], is simplified for gravitational waves in the under-horizon regime during radiation dominance epoch. Then, the obtained system is solved analytically. As a result of the solution analysis a conclusion was made about a significant increase of relic GWs with the frequencies $ k\gtrsim 10^{-11}$ Hz for magnetic field strength about 1 nGs. In addition, at the end of the article model dependency of the result is discussed |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_07063 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Conversion of high frequency relic gravitational waves into photons in cosmological magnetic field Panasenko, L. A. Chetverikov, A. O. General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics This work continues the research presented in the article [1], where we estimate the Gertsenshtein effect's influence on the long-wavelength part of relic gravitational wave spectrum. Here, the differential equation system for the Gertsenshtein effect in Friedman-LeMaitre-Robertson-Walker universe, derived in [1], is simplified for gravitational waves in the under-horizon regime during radiation dominance epoch. Then, the obtained system is solved analytically. As a result of the solution analysis a conclusion was made about a significant increase of relic GWs with the frequencies $ k\gtrsim 10^{-11}$ Hz for magnetic field strength about 1 nGs. In addition, at the end of the article model dependency of the result is discussed |
| title | Conversion of high frequency relic gravitational waves into photons in cosmological magnetic field |
| topic | General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2409.07063 |