The Phase-space analysis of scalar fields with non-minimally derivative coupling

Abstract

We perform a dynamical analysis for the exponential scalar field with non-minimally derivative coupling. For the quintessence case, the stable fixed points are the same with and without the non-minimally derivative coupling. For the phantom case, the attractor with dark energy domination exists for the minimal coupling only. For the non-minimally derivative coupling without the standard canonical kinetic term, only the de-Sitter attractor exists, and the dark matter solution is unstable.

arXiv commentv2, minor correction, EPJC in press

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Cited by in corpus (17)

• Dynamical systems applied to cosmology: dark energy and modified gravity
• Selected topics in scalar-tensor theories and beyond
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• Non-minimal derivative coupling gravity in cosmology
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