https://doi.org/10.1140/epjc/s10052-010-1398-z
Dark viscous fluid coupled with dark matter and future singularity
1
Dipartimento di Fisica, Università di Trento, Trento, Italy
2
Istituto Nazionale di Fisica Nucleare, Gruppo Collegato di Trento, Trento, Italy
Received:
8
June
2010
Revised:
22
June
2010
Published online:
14
September
2010
We study the effects of a viscous fluid coupled with dark matter in our universe. We consider bulk viscosity in the cosmic fluid and we assume the existence of a coupling between fluid and dark matter, in order to reproduce a stable de Sitter universe protected against future-time singularities. More general inhomogeneous fluids are studied related to future singularities.
© Springer-Verlag / Società Italiana di Fisica, 2010