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Reinterpreting dark energy through backreaction: the minimally coupled morphon field
Julien Larena, Thomas Buchert, Jean-Michel Alimi
In the context of averaged cosmologies, the effective equations can be written in the form of "regional" Friedmannian equations with additional sources arising from the so-called b…
Reinterpreting quintessential dark energy through averaged inhomogeneous cosmologies
Julien Larena, Thomas Buchert, Jean-Michel Alimi
Regionally averaged relativistic cosmologies have recently been considered as a possible explanation for the apparent late time acceleration of the Universe. This contribution repo…
Correspondence between kinematical backreaction and scalar field cosmologies - the `morphon field'
Thomas Buchert, Julien Larena, Jean-Michel Alimi
Spatially averaged inhomogeneous cosmologies in classical general relativity can be written in the form of effective Friedmann equations with sources that include backreaction term…