Big rip in SO(1,1) phantom universe
Feb, 2005Citations per year
Abstract: (arXiv)
For the inverse linear potential, the SO(1,1) field behaves as phantom for late time and the Big Rip will occur. The field approaches zero as time approaches the Big Rip, here. For this potential the phantom equation of state takes the late-time minimum wΦ=−3. We give some discussions that the Big Rip in the SO(1,1) model may be treated as either the transition point of universe from expansion to extract phase or the final state. In the latter picture of the universe, the field has the T symmetry and the scale factor possesses the CT symmetry, for which the SO(1,1) charge Qˉ plays a crucial role.- 98.80.Cq
- 98.80.Hm
- phantom
- symmetry: SO(1,1)
- cosmological model
- energy: density
- numerical calculations
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