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Nonminimal Derivative Coupling and the Recovering of Cosmological Constant
General Relativity and Gravitation, no. 7 (1999): 1005-1014
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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