Localization of the SFT inspired Nonlocal Linear Models and Exact Solutions

Details Localization of the SFT inspired Nonlocal Linear Models and Exact Solutions Localization of the SFT inspired Nonlocal Linear Models and Exact Solutions

2010-05-03

arxiv.org/abs/1005.0372v2

Physics of Particles and Nuclei Letters 8 (2011) 310-320

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

20 pages, 3 figures, published in the proceedings of the VIII International Workshop "Supersymmetries and Quantum Symmetries"

Scientific paper

10.1134/S1547477111030228

A general class of gravitational models driven by a nonlocal scalar field with a linear or quadratic potential is considered. We study the action with an arbitrary analytic function $F(\Box)$, which has both simple and double roots. The way of localization of nonlocal Einstein equations is generalized on models with linear potentials. Exact solutions in the Friedmann-Robertson-Walker and Bianchi I metrics are presented.

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