LIMA, T. S. A.; http://lattes.cnpq.br/8253237423690860; LIMA, Thais Soares de Andrade. (BrasilCentro de Ciências e Tecnologia - CCTPÓS-GRADUAÇÃO EM FÍSICAUFCGUniversidade Federal de Campina Grande, 2021-01-31)
We approach the φ-CDM cosmological model, in which we consider the scalar field to be tachyon and apply the first order formalism to obtain the equations that describe the dynamics of the Universe. In this model, the tachyon ...