Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-11-02
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, no figure, Contribution to the anniversary volume "The Problems of Modern Cosmology" on the occasion of the 50th bir
Scientific paper
We review cosmology in non-minimal Yang-Mills/Maxwell theory, in which the Yang-Mills/electromagnetic field couples to a function of the scalar curvature. We show that power-law inflation can be realized due to the non-minimal gravitational coupling of the Yang-Mills field which may be caused by quantum corrections. Moreover, we study non-minimal vector model in the framework of modified gravity and demonstrate that both inflation and the late-time accelerated expansion of the universe can be realized. We also discuss the cosmological reconstruction of the Yang-Mills theory. Furthermore, we investigate late-time cosmology in non-minimal Maxwell-Einstein theory. We explore the forms of the non-minimal gravitational coupling which generate the finite-time future singularities and the general conditions for this coupling in order that the finite-time future singularities cannot appear.
Bamba Kazuharu
Nojiri Shin'ichi
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