National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Modified Newtonian potentials for particles and fluids in permanent rotation around black holes
Karas, Vladimír ; Abramowicz, M. A.
Modified Newtonian potentials have been proposed for the description of relativistic effects acting on particles and fluids in permanent orbital motion around black holes.
Effects of environmental drag onto a fast-moving magnetic compact star near a supermassive black hole
Karas, Vladimír ; Šubr, L. ; Kunneriath, Devaky ; Zajaček, Michal
The authors discuss whether a strong magnetic field of a neutron star can significantly enhance the drag effect by increasing the effective cross-sectional area for the mutual interaction.
Tidal disruption events from a nuclear star cluster as possible origin of transient relativistic spectral lines near SMBH
Karas, Vladimír ; Dovčiak, Michal ; Kunneriath, Devaky ; Yu, W. ; Zhang, W.
The authors discuss a possibility that a tidal disruption event near a dormant supermassive black hole can give rise to spectral features of iron in 6-7keV X-ray signal.
Compton scattering in strong gravity
Bursa, Michal ; Adámek, K.
The authors present new numerical code for radiation transport in strong gravity regime that includes arbitrary emission and absorption mechanisms and also electron scattering.

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