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Physics > General Physics

Title: Cosmic acceleration in screening hybrid quintessence model

Abstract: A formalism for the appearance of dark energy in the matter dominated era, leading to a persistent de Sitter expansion at the late time is proposed. Our framework is a hybrid quintessence model with a non-minimal coupling to the Ricci scalar. Coupling to the curvature triggers the dark energy evolution, while the coupling of scalar fields drives this evolution to a de Sitter stable fixed point. These occur via successive $Z_2$ symmetry breakings.
Comments: 13 pages, 3 figures
Subjects: General Physics (physics.gen-ph)
Cite as: arXiv:1803.05310 [physics.gen-ph]
  (or arXiv:1803.05310v1 [physics.gen-ph] for this version)

Submission history

From: Hossein Mohseni Sadjadi [view email]
[v1] Mon, 12 Mar 2018 13:12:56 GMT (114kb)