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Exactly Solvable SFT Inspired Phantom Model | | I.Ya.Aref’eva
; A.S.Koshelev
; S.Yu.Vernov
; | | Date: |
23 Dec 2004 | | Subject: | astro-ph gr-qc hep-ph hep-th | | Abstract: | We construct an exact analytic solution to the Friedmann equations with a stringy inspired scalar matter and show explicitly an absence of the "Big Rip" singularity. The notable feature of this model is a wrong sign of the kinetic term and a special polynomial form of the effective tachyon potential. The method developed in the five-dimensional brane-world scenario is used. We show that the solution is stable with respect to small fluctuations of the initial conditions and present corresponding phase portraits. | | Source: | arXiv, astro-ph/0412619 | | Services: | Forum | Review | PDF | Favorites | |
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