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TMF, 2006, Volume 148, Number 1, Pages 23–41 (Mi tmf2055)  

This article is cited in 103 scientific papers (total in 103 papers)

Exact solution in a string cosmological model

I. Ya. Aref'evaa, S. Yu. Vernovb, A. S. Kosheleva

a Steklov Mathematical Institute, Russian Academy of Sciences
b Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University

Abstract: We construct an exact solution of the Friedmann equations with a phantom scalar matter field originating in string field theory and show the absence of the big-rip singularity. The notable features of the model are a ghost sign of the kinetic term and a special polynomial form of the effective tachyon potential. The constructed solution is stable under small fluctuations of the initial conditions and special variations of the form of the potential.

Keywords: strings, string field theory, cosmology, branes, tachyon, phantom, dark energy, big rip


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English version:
Theoretical and Mathematical Physics, 2006, 148:1, 895–909

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Received: 10.10.2005

Citation: I. Ya. Aref'eva, S. Yu. Vernov, A. S. Koshelev, “Exact solution in a string cosmological model”, TMF, 148:1 (2006), 23–41; Theoret. and Math. Phys., 148:1 (2006), 895–909

Citation in format AMSBIB
\by I.~Ya.~Aref'eva, S.~Yu.~Vernov, A.~S.~Koshelev
\paper Exact solution in a string cosmological model
\jour TMF
\yr 2006
\vol 148
\issue 1
\pages 23--41
\jour Theoret. and Math. Phys.
\yr 2006
\vol 148
\issue 1
\pages 895--909

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  • Теоретическая и математическая физика Theoretical and Mathematical Physics
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