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Trapping of neutrinos in brany extremely compact stars
Trapping of neutrinos in brany extremely compact stars is studied, using the simplest model with massless neutrinos and uniform-density star. The influence of bulk tension on the trapping is given for two solutions, namely with the ...
BE - Teoretická fyzika
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Quasiperiodic oscillations in a strong gravitational field around neutron stars testing braneworld models
The strong gravitational field of neutron stars in the brany universe could be described by spherically symmetric solutions with a metric in the exterior to the brany stars being of the Reissner Nordström type containing a brany...
BE - Teoretická fyzika
- 2008 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Spectral line profile of radiating ring orbiting a brany Kerr black hole
In the framework of the brany models, rotating black holes are described by the Kerr metric with a tidal charge representing the influence of the non-local gravitational (tidal) effects of the bulk space Weyl tensor onto the black h...
BE - Teoretická fyzika
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Trapping of Neutrinos in Extremely Compact Stars and the Influence of Brane Tension on This Process
We present estimates on the efficiency of neutrino trapping in brany extremely compact stars, using the simplest model with uniform distribution of energy density, assuming massless neutrinos and uniform distribution of neutrino emi...
BN - Astronomie a nebeská mechanika, astrofyzika
- 2012 •
- D
Rok uplatnění
D - Stať ve sborníku
Orbital Resonance Models of QPOs in Braneworld Kerr Black Holes
Rotating black holes in the brany universe of the Randall-Sundrum type with infinite additional dimension are described by the Kerr geometry with a tidal charge b representing the interaction of the brany black hole and the bulk spa...
BN - Astronomie a nebeská mechanika, astrofyzika
- 2012 •
- D
Rok uplatnění
D - Stať ve sborníku
Optical effects in brany Kerr spacetimes
In the framework of the brany models, rotating black holes are described by the Kerr metric with a tidal charge representing the influence of the shear effects of the bulk space Weyl tensor onto the black hole spacetime. Here we stu...
BE - Teoretická fyzika
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Orbital resonances in discs around braneworld Kerr black holes
Rotating black holes in the brany universe of the Randall-Sundrum type of the brany black hole and the bulk spacetime. For b<0 rotating black holes in the orbital resonance model of QPOs in black hole systems. The orbital K...
BE - Teoretická fyzika
- 2009 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Test particle motion in brany black hole spacetimes with a nonzero cosmological constant
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 sol...
BE - Teoretická fyzika
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Orbital resonances in discs around braneworld Kerr black holes
Rotating black holes in the brany universe of the Randall-Sundrum type with infinite additional dimension are described by the Kerr geometry with a tidal charge b representing the interaction of the brany black hole and the bulk spa...
BE - Teoretická fyzika
- 2009 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Some Aspects of Brany Kerr Spacetimes Relevant to Accretion Processes
We consider equatorial motion of test particles around a rotating Kerr naked singularity in the Randall-Sundrum braneworld scenario and its implications for the properties of Keplerian accretion disks. We demonstrate existence of some unexpected phen...
BN - Astronomie a nebeská mechanika, astrofyzika
- 2014 •
- D
Rok uplatnění
D - Stať ve sborníku
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