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Step potentials for Dark Energy

by: Victor H. Cardenas, Marco Rivera
(16 Oct 2012), pp. 88-92, doi:10.1063/1.4756818  Key: citeulike:11530239

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Abstract

We consider a reconstructing scheme using observational data from SNIa, BAO and CMB, based on a model of dark unification using a single non-minimally coupled scalar field. We investigate through a reconstruction program, the main features the current observational data imposes to the scalar field potential. We found that the form suggested by observations implies a step feature in the potential, where the kinetic and potential energy becomes of the same order of magnitude.


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