{"title":"Conversion of high frequency relic gravitational waves into photons in cosmological magnetic field","authors":"L. A. Panasenko, A. O. Chetverikov","doi":"arxiv-2409.07063","DOIUrl":null,"url":null,"abstract":"This work continues the research presented in the article [1], where we\nestimate the Gertsenshtein effect's influence on the long-wavelength part of\nrelic gravitational wave spectrum. Here, the differential equation system for\nthe Gertsenshtein effect in Friedman-LeMaitre-Robertson-Walker universe,\nderived in [1], is simplified for gravitational waves in the under-horizon\nregime during radiation dominance epoch. Then, the obtained system is solved\nanalytically. As a result of the solution analysis a conclusion was made about\na significant increase of relic GWs with the frequencies $ k\\gtrsim 10^{-11}$\nHz for magnetic field strength about 1 nGs. In addition, at the end of the\narticle model dependency of the result is discussed","PeriodicalId":501041,"journal":{"name":"arXiv - PHYS - General Relativity and Quantum Cosmology","volume":"2 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - PHYS - General Relativity and Quantum Cosmology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2409.07063","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
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
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