Coupling -Deformed Dark Energy to Dark Matter

Emre Dil (Department of Physics, Sinop University, 57000 Korucuk, Sinop, Turkey)

We propose a novel coupled dark energy model which is assumed to occur as a q-deformed scalar field and investigate whether it will provide an expanding universe phase. We consider the q-deformed dark energy as coupled to dark matter inhomogeneities. We perform the phase-space analysis of the model by numerical methods and find the late-time accelerated attractor solutions. The attractor solutions imply that the coupled q-deformed dark energy model is consistent with the conventional dark energy models satisfying an acceleration phase of universe. At the end, we compare the cosmological parameters of deformed and standard dark energy models and interpret the implications.

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      "value": "We propose a novel coupled dark energy model which is assumed to occur as a <math id=\"M2\"><mrow><mi>q</mi></mrow></math>-deformed scalar field and investigate whether it will provide an expanding universe phase. We consider the <math id=\"M3\"><mrow><mi>q</mi></mrow></math>-deformed dark energy as coupled to dark matter inhomogeneities. We perform the phase-space analysis of the model by numerical methods and find the late-time accelerated attractor solutions. The attractor solutions imply that the coupled <math id=\"M4\"><mrow><mi>q</mi></mrow></math>-deformed dark energy model is consistent with the conventional dark energy models satisfying an acceleration phase of universe. At the end, we compare the cosmological parameters of deformed and standard dark energy models and interpret the implications."
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Published on:
24 November 2016
Publisher:
Hindawi Publishing Corporation
Published in:
Advances in High Energy Physics (2016)

DOI:
https://doi.org/10.1155/2016/9753208
arXiv:
1610.01652
Copyrights:
Copyright © 2016 Emre Dil.
Licence:
CC-BY-3.0

Fulltext files: