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Radiation in models with cosmological constant

Published online by Cambridge University Press:  01 August 2006

Hedvika Kadlecová  and
Jiří Podolský
Hedvika Kadlecová
Affiliation:
Institute of Theoretical Physics, Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic, emial: Hedvika.Kadlecova@centrum.cz, podolsky@mbox.troja.mff.cuni.cz
Jiří Podolský
Affiliation:
Institute of Theoretical Physics, Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic, emial: Hedvika.Kadlecova@centrum.cz, podolsky@mbox.troja.mff.cuni.cz
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Abstract

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We analyze the asymptotic directional structure and properties of gravitational field of specific exact solutions belonging to the large family of black hole spacetimes of type D found by Plebański and Demiański. We discuss the structure in the case of de Sitter (Λ>0) and anti–de Sitter (Λ<0) conformal infinity. With the aim of further interpretation, we have found the relation between the structure of the sources (the mass m, the electric e and magnetic g charges, the NUT parameter l, the rotational parameter a, the acceleration α) and the properties of radiation generated by them. In particular, we studied the amplitude of radiation and illustrated it in several figures.

Keywords

Plebański – Demiański family of solutions – asymptotic directional structure of radiation – de Sitteranti-de Sitter
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S238: Black Holes from Stars to Galaxies – Across the Range of Masses , August 2006 , pp. 387 - 388
Copyright
Copyright © International Astronomical Union 2007

References

Plebański, J. F. & Demiański, M. 1976, Ann. Phys. (NY), 98CrossRefGoogle Scholar
Griffiths, J. B., Podolský, J. 2006, Int. J. Mod. Phys. D, 15, 335CrossRefGoogle Scholar
Krtouš, P., Podolský, J. 2004, Class. Quantum Grav., 21, R233–273CrossRefGoogle Scholar
Krtouš, P., Podolský, J. 2003, Phys. Rev. D, 68, 024005CrossRefGoogle Scholar
Podolský, J., Ortaggio, M. & Krtouš, P. 2003, Phys. Rev. D, 68, 124004CrossRefGoogle Scholar
Kadlecová, H. 2006, Diploma Thesis, Charles Univesity, PragueGoogle Scholar