Equation of state description of the dark energy transition between quintessence and phantom regimes
arXiv:astro-ph/0512023 · doi:10.1088/1742-6596/39/1/045
Abstract
The dark energy crossing of the cosmological constant boundary (the transition between the quintessence and phantom regimes) is described in terms of the implicitly defined dark energy equation of state. The generalizations of the models explicitly constructed to exhibit the crossing provide the insight into the cancellation mechanism which makes the transition possible.
arXiv comment3 pages, talk given at TAUP2005
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- Status on bidimensional dark energy parameterizations using SNe Ia JLA and BAO datasets
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