Abstract
An expression is obtained for the generalized susceptibility, relating the mean value of the energy-momentum operator tensor with perturbation metrics. In the special case of a gravitational plane wave it is shown that the wave damping decrement is determined by the anti-Hermitian part of the generalized susceptibility. The result obtained is used to investigate damping of gravitational waves in magnetoactive plasma.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 72–77, April, 1990.
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Gratz, Y.V. Damping of gravitational waves in a medium. Soviet Physics Journal 33, 344–348 (1990). https://doi.org/10.1007/BF00894218
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DOI: https://doi.org/10.1007/BF00894218