نتایج جستجو برای: chaplygin gas
تعداد نتایج: 245337 فیلتر نتایج به سال:
We have presented a model in which the new generalized Chaplygin gas interacts with matter. We find that there exists a stable scaling solution at late times in the evolution of the universe. Moreover, the phantom crossing scenario is also observed in this model.
Abstract In a non-flat FRW model, we have considered our Universe to be filled with non-interacting dark energy and matter. For the models, assumed Tachyonic Field (TF), Generalized Cosmic Chaplygin Gas (GCCG), New Variable Modified (NVMCG), Chaplygin–Jacobi (MCJG), Chaplygin–Abel (MCAG). We then analyzed these models varying cosmological parameters in their optical depth behaviour presented re...
The discovery of accelerated Hubble expansion in the SN Ia data and the observed power spectrum of the microwave background radiation provide an ample support for Dark energy and Dark matter. Except for the so far well known facts that cold dark matter (or simply dark matter) is pressureless, and dark energy has a negative pressure, the nature of these two remains a complete mystery. The myster...
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