Browsing by Subject "Dark energy"

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  • Multiple kinetic k-essence, phantom barrier crossing and stability 
    Sur, Sourav; Das, Saurya (Arts and ScienceDepartment of PhysicsUniversity of Lethbridgehttps://doi.org/10.1088/1475-7516/2009/01/007, 2015-12-15)
    We investigate models of dark energy with purely kinetic multiple k- essence sources that allow for the crossing of the phantom divide line, without violating the conditions of stability. It is known that with more than ...