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Tachyon field non-minimally coupled to massive neutrino matter

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arxiv 1510.04795 v2 pith:T4L4EM27 submitted 2015-10-16 gr-qc astro-ph.COhep-phhep-th

Safia Ahmad , Nurgissa Myrzakulov , R. Myrzakulov This is my paper · ORCID
classification gr-qcastro-ph.COhep-phhep-th
keywords matterneutrinocoupledcouplingfieldmassivenon-minimallypotentials
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In this paper, we consider rolling tachyon, with steep run-away type of potentials non-minimally coupled to massive neutrino matter. The coupling dynamically builds up at late times as neutrino matter turns non-relativistic. In case of scaling and string inspired potentials, we have shown that non-minimal coupling leads to minimum in the field potential. Given a suitable choice of model parameters, it is shown to give rise to late-time acceleration with the desired equation of state.

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Cited by 1 Pith paper

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  1. Kinetic coupled tachyon: A dynamical system analysis

    gr-qc 2024-12 conditional novelty 6.0 of 10

    A kinetically coupled tachyon dark energy model admits a new stable scaling attractor for a range of coupling and potential parameters, providing a mechanism to keep dark energy and dark matter densities comparable.

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