Národní úložiště šedé literatury Nalezeno 5 záznamů.  Hledání trvalo 0.01 vteřin. 
Modelling steep radial emissivity in relativistic iron lines from black-hole accretion discs
Svoboda, Jiří ; Dovčiak, Michal ; Karas, Vladimír ; Goosmann, R. W.
The authors discuss whether the special conditions on the corona properties are indeed required, and/or whether the steep radial emissivity could be an artefact of model assumptions.
Application of a sympletic integrator in a non-integrable relativistic system
Kopáček, Ondřej ; Karas, Vladimír ; Kovář, J. ; Stuchlík, Z.
The authors present a detailed comparison of several integration schemes applied to the dynamic system consisting of a charged particle on the Kerr background endowed with the axisymmetric electromagnetic test field.
Revealing general relativity effects from accretion events near a supermassive black hole
Karas, Vladimír ; Dovčiak, Michal ; Eckart, A. ; Kunneriath, Devaky ; Zamaninasab, M.
The authors discuss the general relativity effects acting on the radiationmsignal from the inner accretion flow.
An Introduction to relativistic magnetohydrodynamics. II. Case of stationary electro-vacuum fields around black holes
Karas, Vladimír
The lecture on electrodynamical effects near black holes. The author summarize the basic equations of relativistic electrodynamics in terms of spin-coefficien formalism.
On oscillations in turbulent accretion disks: I. A general approach
Horák, Jiří
In the article a general theory of a wave propagation in a turbulent media is reviewed.

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