Photon and neutrino redshift in the field of braneworld compact stars

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F47813059%3A19240%2F11%3A%230003870" target="_blank" >RIV/47813059:19240/11:#0003870 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1088/1475-7516/2011/07/012" target="_blank" >http://dx.doi.org/10.1088/1475-7516/2011/07/012</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/1475-7516/2011/07/012" target="_blank" >10.1088/1475-7516/2011/07/012</a>

Result language

angličtina

Original language name

Photon and neutrino redshift in the field of braneworld compact stars

Original language 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 "tidal" 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 char

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BE - Theoretical physics

OECD FORD branch

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Project

<a href="/en/project/LC06014" target="_blank" >LC06014: Center for Theoretical Astrophysics</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Publication year

2011

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Cosmology and Astroparticle Physics

ISSN

1475-7516

e-ISSN

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Volume of the periodical

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Issue of the periodical within the volume

7

Country of publishing house

GB - UNITED KINGDOM

Number of pages

23

Pages from-to

012

UT code for WoS article

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EID of the result in the Scopus database

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