We study properties of a recently proposed new ansatz for separation of variables in the Maxwell

equations in four-dimensional Kerr-NUT-(A)dS spacetime. We demonstrate that a dual field, which is also

a solution of the source-free Maxwell equations, can be presented in a similar form. This result implies that

the corresponding separated equations possess a discrete symmetry under a special transform of the

separation parameters.

equations in four-dimensional Kerr-NUT-(A)dS spacetime. We demonstrate that a dual field, which is also

a solution of the source-free Maxwell equations, can be presented in a similar form. This result implies that

the corresponding separated equations possess a discrete symmetry under a special transform of the

separation parameters.

typ: | article |
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journal: | Phys. Rev. D |

volume: | 99 |

pages: | 044044 |

year: | 2019 |