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<p>A&#xa0;non-perturbative model of a&#xa0;gravitational wave with pure radiation in an anisotropic Bianchi universe of type&#xa0;IV is constructed. A&#xa0;relationship between the space-time metric parameters and those of the pure radiation is obtained. The trajectories of light rays are found as a&#xa0;solution to the eikonal equation in a&#xa0;given metric. The parameters of light signal propagation in a&#xa0;gravitational wave are calculated. The delay relation for radiation in a&#xa0;gravitational wave is obtained.</p>

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Gravitational wave and pure radiation in the Bianchi IV universe

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • K. E. Osetrin,
  • V. Y. Epp,
  • U. A. Guselnikova

摘要

A non-perturbative model of a gravitational wave with pure radiation in an anisotropic Bianchi universe of type IV is constructed. A relationship between the space-time metric parameters and those of the pure radiation is obtained. The trajectories of light rays are found as a solution to the eikonal equation in a given metric. The parameters of light signal propagation in a gravitational wave are calculated. The delay relation for radiation in a gravitational wave is obtained.