4+1 dimensional homogeneous anisotropic string cosmological models

Details 4+1 dimensional homogeneous anisotropic string cosmological models 4+1 dimensional homogeneous anisotropic string cosmological models

2011-06-09

arxiv.org/abs/1106.1795v2

Inter. Jour. Mod. Phys. A. vol. 27, No. 7 (2012) 1250032

Physics

High Energy Physics

High Energy Physics - Theory

31, 1 table; section 5 is added

Scientific paper

10.1142/S0217751X12500327

We present exact solutions of string cosmological models characterized by five dimensional metrics (with four-dimensional real Lie groups as isometry groups), space independent dilaton and vanishing torsion. As an example we consider VII 0 \oplus R model and show that it is equivalent to the (4 +1)-dimensional cosmological model coupled to perfect fluid with negative deceleration parameters (accelerating universe).

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