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Nonminimal Derivative Coupling and the Recovering of Cosmological Constant

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arxiv gr-qc/9901051 v1 pith:BLW7IUWD submitted 1999-01-19 gr-qc

Nonminimal Derivative Coupling and the Recovering of Cosmological Constant

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keywords constantcosmologicalcouplingderivativegivennonminimalscalaraction
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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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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Inflation with nondynamic distortion to leading order in slow roll

    astro-ph.CO 2026-07 conditional novelty 6.0

    Nondynamic distortion integrated out of a 13-parameter metric-affine action sources the entire inflaton kinetic term; monomial models depend only on exponent ratio while α-attractors recover modified Starobinsky observables.

  2. Inflation with the Gauss-Bonnet term in the Palatini formulation

    astro-ph.CO 2026-03 accept novelty 5.0

    In Palatini gravity the inflaton–Gauss–Bonnet coupling yields a negative Chern–Simons-like kinetic correction and similar GW modifications, with metric-like behaviour unless the kinetic term nearly flips sign.