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Cosmological evolution of quintessence with a sign-changing interaction in dark sector

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arxiv 1406.6216 v2 pith:CF7GEP57 submitted 2014-06-24 hep-th gr-qc

Ming Zhang , Cheng-Yi Sun , Zhan-Ying Yang , Rui-Hong Yue This is my paper
classification hep-thgr-qc
keywords cosmologicalinteractionevolutionalleviateanalysingattractorbringchanges
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By analysing the cosmological dynamical system with a dark-sector interaction which changes sign during the cosmological evolution, we find a scaling attractor to help to alleviate the cosmic-coincidence problem. This result shows that this interaction can bring new features to the cosmology.

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Cited by 1 Pith paper

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  1. Accelerating scaling solutions from dark matter particle creation

    gr-qc 2026-04 unverdicted novelty 5.0 of 10

    Accelerating scaling attractors without dark energy appear only when the interaction is controlled by DM density and energy flows from DM to a barotropic fluid.

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