103 citations · 350 across the 15 of their papers we have counts for
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physics.gen-ph2012★ 20 cited
Sounds of instability from generalized QCD ghost dark energy
Esmaeil Ebrahimi, Ahmad Sheykhi
We investigate about the stability of generalized QCD ghost dark energy model against perturbations in the FRW background. For this purpose, we use the squared sound speed …
gr-qc2012
Generalized ghost dark energy in Brans-Dicke theory
A. Sheykhi, E. Ebrahimi, Y. Yosefi
It was argued that the vacuum energy of the Veneziano ghost field of QCD, in a time-dependent background, can be written in the general form, , where is the Hubble…
gr-qc2012★ 12 cited
Interacting generalized ghost dark energy in non-flat universe
Esmaeil Ebrahimi, Ahmad Sheykhi, Hamzeh Alavirad
We investigate the generalized Quantum Chromodynamics (QCD) ghost model of dark energy in the framework of Einstein gravity. First, we study the non-interacting generalized ghost d…