摘要: We generalize the holographic dark energy model described in Hubble length IR cutoff by assuming a slowly time varying function for parameter c 2. calculate evolution of EoS and deceleration as well density flat FRW universe. show that this phantom line is crossed from quintessence regime to which agreement with observation. The indicates transition decelerated accelerated expansion consistently Eventually, we horizon can interpret pressureless matter era at early dominated phase later. singularity also calculated.
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