A model for time-dependent cosmological constant

Authors:
  • MNM. Novello
    M. Novello
  • JBJ. Barcelos-Neto
    J. Barcelos-Neto
  • JSJ. M. Salim
    J. M. Salim
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Abstract
We present a model for a spacetime dependent cosmological {\it constant}, based on quantum aspects of initial stage of the expansion of the Universe.