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@inproceedings{43208, author = {Hledík, Stanislav and Kološ, Martin and Stuchlík, Zdeněk}, address = {Opava}, booktitle = {Proceedings of RAGtime 8/9: Workshops on black holes and neutron stars}, keywords = {Brany black hole, tidal charge, Kerr-Newman-(anti-)de Sitter, Reissner-Nordström-(anti-)de Sitter, black hole, test particle motion, cosmological constant}, language = {eng}, location = {Opava}, isbn = {978-80-7248-419-5}, pages = {109-123}, publisher = {Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky}, title = {Test particle motion in brany black hole spacetimes with a nonzero cosmological constant}, year = {2007} }
TY - JOUR ID - 43208 AU - Hledík, Stanislav - Kološ, Martin - Stuchlík, Zdeněk PY - 2007 TI - Test particle motion in brany black hole spacetimes with a nonzero cosmological constant PB - Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky CY - Opava SN - 9788072484195 KW - Brany black hole, tidal charge, Kerr-Newman-(anti-)de Sitter, Reissner-Nordström-(anti-)de Sitter, black hole, test particle motion, cosmological constant N2 - In the framework of the brany cosmology, the influence of the bulk spacetime on the black holes in the brane can be described by the so called tidal charge, which has a character similar to the charge parameter in the standard black-hole solutions, but can be both positive and negative. We discuss the influence of the tidal charge on the test particle and photon motion in the spherically symmetric spacetimes with a nonzero cosmological constant using the analysis realised in the case of Reissner-Nordström-(anti-)de Sitter spacetimes. We concentrate on the properties of circular geodesics as they play an important role in determining the brane properties of both thin and thick accretion discs. Some implications of the tidal charge influence are outlined. ER -
HLEDÍK, Stanislav, Martin KOLOŠ a Zdeněk STUCHLÍK. Test particle motion in brany black hole spacetimes with a nonzero cosmological constant. In \textit{Proceedings of RAGtime 8/9: Workshops on black holes and neutron stars}. Opava: Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky, 2007, s.~109-123. ISBN~978-80-7248-419-5.
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