https://doi.org/10.1140/epjc/s10052-015-3301-4
Regular Article - Theoretical Physics
The role of potential in the ghost-condensate dark energy model
1
Department of Physics, Presidency University, 86/1, College Street, Kolkata, 700 073, India
2
Department of Physics, Barasat Govt. College, 10 K. N. C. Road, Barasat, Kolkata, 700 124, India
3
Department of Physics, West Bengal State University, Barasat, North 24, Paraganas, West Bengal, India
* e-mail: anirban@iucaa.ernet.in
Received:
30
October
2014
Accepted:
3
February
2015
Published online:
20
February
2015
We consider the ghost-condensate model of dark energy with a generic potential term. The inclusion of the potential is shown to give greater freedom in realising the phantom regime. The self-consistency of the analysis is demonstrated using WMAP7 + BAO + Hubble data.
© SIF and Springer-Verlag Berlin Heidelberg, 2015
