A note on a mimetic scalar–tensor cosmological model
Dipartimento di Fisica, TIFPA-INFN, Università di Trento, Via Sommarive 14, 38123, Povo, Trento, Italy
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Accepted: 1 February 2016
Published online: 18 February 2016
A specific Hordenski scalar-gravity mimetic model is investigated within a FLWR space-time. The mimetic scalar field is implemented via a Lagrangian multiplier, and it is shown that the model has equations of motion formally similar to the original simpler mimetic matter model of Chamseddine–Mukhanov–Vikman. Several exact solutions describing inflation, bounces, and future-time singularities are presented and discussed.
© The Author(s), 2016