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@inproceedings{44205, author = {Kučáková, Hana and Slaný, Petr and Stuchlík, Zdeněk}, address = {Opava}, booktitle = {Proceedings of RAGtime 8/9: Workshops on black holes and neutron stars}, keywords = {perfect fluid, black hole, Reissner-Nordström-de Sitter spacetimes, naked singularity}, language = {eng}, location = {Opava}, isbn = {978-80-7248-419-5}, pages = {433-447}, publisher = {Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky}, title = {Equilibrium configurations of perfect fluid in Reissner-Nordström-de Sitter spacetimes}, year = {2007} }
TY - JOUR ID - 44205 AU - Kučáková, Hana - Slaný, Petr - Stuchlík, Zdeněk PY - 2007 TI - Equilibrium configurations of perfect fluid in Reissner-Nordström-de Sitter spacetimes PB - Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky CY - Opava SN - 9788072484195 KW - perfect fluid, black hole, Reissner-Nordström-de Sitter spacetimes, naked singularity N2 - Marginally stable perfect fluid tori with uniform distribution of specific angular momentum are determined in the Reissner-Nordström-de Sitter black-hole and naked singularity spacetimes. Perfect fluid toroidal configurations are allowed only in the spacetimes admitting existence of stable circular geodesics. The configurations with equipotential surfaces crossing itself in a cusp allow accretion (inner cusp) and/or excretion (outer cusp) of matter from the toroidal configuration. The classification ofthe Reissner-Nordström-de Sitter spacetimes according to the properties of the marginally stable tori is given. ER -
KUČÁKOVÁ, Hana, Petr SLANÝ a Zdeněk STUCHLÍK. Equilibrium configurations of perfect fluid in Reissner-Nordström-de Sitter spacetimes. 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.~433-447, 14 s. ISBN~978-80-7248-419-5.
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