Some studies on an exact k essence Lagrangian

Details Some studies on an exact k essence Lagrangian Some studies on an exact k essence Lagrangian

2011-03-24

arxiv.org/abs/1103.4795v2

Physics

General Physics

3 pages,latex.This paper has been withdrawn by the authors in order to replace it with a more rigorously correct treatment

Scientific paper

It has by now been established that the universe consists of roughly 25 percent dark matter and 70 percent dark energy.K-essence model of unified dark energy and dark matter,with an exact Lagrangian of the form$$L=2{\sqrt{C}}{\sqrt{X}}a^{-3}V(\phi)+({3\over 8\pi G})H^{2}$$,and henceforth parametric resonance condition with Lagrangian$$L=-{M\over 2}{\dot{q}^2} +{M\over 2}{\Omega ^2(t)}q^2$$,is studied in details.

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