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| rdf:type
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| Description
| - We study gravitational redshift of photons and neutrinos radiated by the brane-world neutron or quark stars that are considered in the framework of ale simple model of the internal spacetime with uniform distribution of energy density, and the external spacetime described by the Reissner-Nordstom geometry characterized by the braneworld %22tidal%22 charge b. For negative tidal charges, the external spacetime is of the black-hole type, while for positive tidal charges, the external spacetime can be of both black-hole and naked-singularity type. We consider also extremely compact stars allowing existence of trapped null geodesics in their interior. We assume radiation of photons from the surface at radius R, neutrinos from the whole compact star interior, and their motion along radial null geodesics of the spacetime. In dependency on the compact stars parameters b and R. the photon surface redshift is related to the range of the neutrino internal redshift and the signatures of the tidal charge and possible existence of extremely compact stars are discussed. When both surface (photon) and internal (neutrino) redshift are given by observations, both compact star parameters R and b can be determined in the framework of our simple model.
- We study gravitational redshift of photons and neutrinos radiated by the brane-world neutron or quark stars that are considered in the framework of ale simple model of the internal spacetime with uniform distribution of energy density, and the external spacetime described by the Reissner-Nordstom geometry characterized by the braneworld %22tidal%22 charge b. For negative tidal charges, the external spacetime is of the black-hole type, while for positive tidal charges, the external spacetime can be of both black-hole and naked-singularity type. We consider also extremely compact stars allowing existence of trapped null geodesics in their interior. We assume radiation of photons from the surface at radius R, neutrinos from the whole compact star interior, and their motion along radial null geodesics of the spacetime. In dependency on the compact stars parameters b and R. the photon surface redshift is related to the range of the neutrino internal redshift and the signatures of the tidal charge and possible existence of extremely compact stars are discussed. When both surface (photon) and internal (neutrino) redshift are given by observations, both compact star parameters R and b can be determined in the framework of our simple model. (en)
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| Title
| - Photon and neutrino redshift in the field of braneworld compact stars
- Photon and neutrino redshift in the field of braneworld compact stars (en)
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| skos:prefLabel
| - Photon and neutrino redshift in the field of braneworld compact stars
- Photon and neutrino redshift in the field of braneworld compact stars (en)
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| skos:notation
| - RIV/47813059:19240/11:#0003870!RIV12-MSM-19240___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(LC06014), S, Z(MSM4781305903)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/47813059:19240/11:#0003870
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - modified gravity, neutron stars, neutrino astronomy (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Journal of Cosmology and Astroparticle Physics
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Stuchlík, Zdeněk
- Hladík, Jan
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://bibframe.org/vocab/doi
| - 10.1088/1475-7516/2011/07/012
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| http://localhost/t...ganizacniJednotka
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