On extended sign-changeable interactions in the dark sector

We extend the cosmological couplings proposed in Sun et al. and Wei, where they suggested interactions with change of signs along the cosmological evolution. Our extension liberates the changes of sign of the interaction from the deceleration parameter and from the relation of energy densities of th...

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Detalles Bibliográficos
Autor principal: Forte, M.
Formato: JOUR
Materias:
Cosmological coincidence
Crisis of age
Dark energy
Dark matter
Sign-changeable interactions
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00017701_v46_n10_p1_Forte
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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