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hep-th2017★ 1 cited
Cosmology in the Universe with distance dependent Lorentz-violating bakground
C. A. G. Almeida, M. A. Anacleto, F. A. Brito +2
We consider a cosmological setup with the inflaton field in the presence of a redshift dependent Lorentz-violating time-like background to address the inflationary regime and other…
gr-qc2017
Building analytical three-field cosmological models
J. R. L. Santos, P. H. R. S. Moraes, D. A. Ferreira +1
A difficult task to deal with is the analytical treatment of models composed by three real scalar fields, once their equations of motion are in general coupled and hard to be integ…