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In this paper we derive, directly from the Nambu-Goto action, the relevant components of the acceleration of cosmological featureless $p$-branes, extending previous analysis based on the field theory ...
Cosmological evolution and statefinder diagnostic for new holographic dark energy model in non flat universe
Dark energy；New holographic model；Statefinder diagnostic；Cosmological evolution
2010/12/20
In this paper, the holographic dark energy model with new infrared cut-off proposed by Granda
and Oliveros has been investigated in spatially non flat universe.
Cosmological evolution of massive black holes: effects of Eddington ratio distribution and quasar lifetime
Galaxy Astrophysics (astro-ph.GA)
2010/12/22
A power-law time-dependent lightcurve for active galactic nuclei (AGNs) is expected by the self-regulated black hole growth scenario, in which the feedback of AGNs expels gas and shut down accretion. ...
Cosmological evolution of massive black holes: effects of Eddington ratio distribution and quasar lifetime
Galaxy Astrophysics (astro-ph.GA)
2010/12/22
A power-law time-dependent lightcurve for active galactic nuclei (AGNs) is expected by the self-regulated black hole growth scenario, in which the feedback of AGNs expels gas and shut down accretion. ...
The Cosmological Evolution of Blazars and the Extragalactic Gamma-Ray Background in the Fermi Era
Cosmological Evolution Blazars Extragalactic Gamma-Ray Background
2010/3/8
The latest determination of the extragalactic gamma-ray background (EGRB) radiation by Fermi is compared with the theoretical prediction of the blazar component by Inoue & Totani (2009; hereafter IT09...