Abstract
The gravitational wave equation in the Plebanski spacetime has been reduced to a one-dimensional wave equation with a real short-range potential. We then find that the superradiance phenomenon occurs.
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Ahmed, M. A gravitational field in the Plebanski spacetime. Gen Relat Gravit 20, 97–101 (1988). https://doi.org/10.1007/BF00759319
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DOI: https://doi.org/10.1007/BF00759319