Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2009-03-20
Class.Quant.Grav.26:105007,2009
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
24 pages, 18 figures. To appear in Classical and Quantum Gravity
Scientific paper
10.1088/0264-9381/26/10/105007
Asymptotic behaviour of gravitational and electromagnetic fields of exact type D solutions from the large Plebanski-Demianski family of black hole spacetimes is analyzed. The amplitude and directional structure of radiation is evaluated in cases when the cosmological constant is non-vanishing, so that the conformal infinities have either de Sitter-like or anti-de Sitter-like character. In particular, explicit relations between the parameters that characterize the sources (that is their mass, electric and magnetic charges, NUT parameter, rotational parameter, and acceleration) and properties of the radiation generated by them are presented. The results further elucidate the physical interpretation of these solutions and may help to understand radiative characteristics of more general spacetimes than those that are asymptotically flat.
Kadlecova Hedvika
Podolsky Jiri
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