The latitudinal and radial geodetical motion in Kerr-de Sitter spacetime

@inproceedings{44080,
   author = {Stuchlík, Zdeněk and Truparová Plšková, Kamila},
   address = {Opava},
   booktitle = {Proceedings of RAGtime 6/7: Workshops on black holes and neutron stars},
   keywords = {Kerr-de Sitter spacetime, geodetical motion, cosmological constant},
   language = {eng},
   location = {Opava},
   isbn = {80-7248-334-X},
   pages = {339-356},
   publisher = {Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky},
   title = {The latitudinal and radial geodetical motion in Kerr-de Sitter spacetime},
   year = {2005}
}

TY  - JOUR
ID  - 44080
AU  - Stuchlík, Zdeněk - Truparová Plšková, Kamila
PY  - 2005
TI  - The latitudinal and radial geodetical motion in Kerr-de Sitter spacetime
PB  - Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky
CY  - Opava
SN  - 807248334X
KW  - Kerr-de Sitter spacetime, geodetical motion, cosmological constant
N2  - The discussion of the latitudinal and radial photon motion in the Kerr-de Sitter (KdS) spacetime is examined by using the "Chinese boxes'' technique. Only the case with a positive cosmological constant is considered. The latitudinal motion is discussed by using a new motion constant $Q$ vanishing for motion in the equatorial plane. This will be more comfortable for the next discussion of the photon off-equatorial motion in KdS spacetime. For the radial motion an "effective potential'' governing the photon radial motion is used, circular photon orbits are determined and their stability is discussed.
ER  - 

STUCHLÍK, Zdeněk and Kamila TRUPAROVÁ PLŠKOVÁ. The latitudinal and radial geodetical motion in Kerr-de Sitter spacetime. In \textit{Proceedings of RAGtime 6/7: Workshops on black holes and neutron stars}. Opava: Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky, 2005, p.~339-356, 17 pp. ISBN~80-7248-334-X.