Unified Model for Inflation and Dark Matter
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We present a model which contains a new complex scalar field Ψ, interacting with a new real scalar field, χ, and an effective potential whose symmetry is almost exact, being explicitly broken by Planck-scale effects. We study the possibility of relatin g inflation with the dark matter of the universe. We find that for exponentially small explicit breaking, the model accounts for a period of inflation in the early universe and gives a dark matter candidate particle.
Is part ofJournal of Physics A: Mathematical and Theoretical, vol. 40, núm. 19
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