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      Thawing model and symmetry breaking in a coupled quintessence model

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          Abstract

          We consider the thawing model in the framework of coupled quintessence scenario. The effective potential has \(Z_2\) symmetry which is broken spontaneously when dark matter density becomes less than a critical value leading the quintessence equation of state parameter to deviate from -1. Conditions required for this procedure are obtained and analytical solution for the equation of state parameter is derived.

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          Journal
          1508.06022

          General relativity & Quantum cosmology,High energy & Particle physics
          General relativity & Quantum cosmology, High energy & Particle physics

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