Born-Infeld Type Phantom Model in the omega - omega-prime Plane

Oct, 2006

6 pages

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Abstract:

In this paper, we investigate the dynamics of Born-Infeld(B-I) phantom model in the

\omega-\omega'

plane, which is defined by the equation of state parameter for the dark energy and its derivative with respect to

N

(the logarithm of the scale factor

a

). We find the scalar field equation of motion in

\omega-\omega'

plane, and show mathematically the property of attractor solutions which correspond to

\omega_\phi\sim-1

,

\Omega_\phi=1

, which avoid the Big rip problem and meets the current observations well.

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