Nonminimal Derivative Coupling and the Recovering of Cosmological Constant

Details Nonminimal Derivative Coupling and the Recovering of Cosmological Constant Nonminimal Derivative Coupling and the Recovering of Cosmological Constant

1999-01-19

arxiv.org/abs/gr-qc/9901051v1

Gen.Rel.Grav. 31 (1999) 1005-1014

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, LATEX file, to appear in General Rel. and Grav

Scientific paper

We show that the existence of the cosmological constant can be connected to a
nonminimal derivative coupling, in the action of gravity, between the geometry
and the kinetic part of a given scalar field without introducing any effective
potential of scalar fields. Exact solutions are given.

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