Photon and neutrino redshift in the field of braneworld compact stars

@article{45020,
   author = {Hladík, Jan and Stuchlík, Zdeněk},
   article_location = {GB - Spojené království Velké Británie a},
   article_number = {7},
   doi = {http://dx.doi.org/10.1088/1475-7516/2011/07/012},
   keywords = {modified gravity, neutron stars, neutrino astronomy},
   language = {eng},
   issn = {1475-7516},
   journal = {Journal of Cosmology and Astroparticle Physics},
   title = {Photon and neutrino redshift in the field of braneworld compact stars},
   year = {2011}
}

TY  - JOUR
ID  - 45020
AU  - Hladík, Jan - Stuchlík, Zdeněk
PY  - 2011
TI  - Photon and neutrino redshift in the field of braneworld compact stars
JF  - Journal of Cosmology and Astroparticle Physics
IS  - 7
SN  - 14757516
KW  - modified gravity, neutron stars, neutrino astronomy
N2  - 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
ER  - 

HLADÍK, Jan a Zdeněk STUCHLÍK. Photon and neutrino redshift in the field of braneworld compact stars. \textit{Journal of Cosmology and Astroparticle Physics}. GB - Spojené království Velké Británie a, č.~7, 23 s. ISSN~1475-7516. doi:10.1088/1475-7516/2011/07/012. 2011.