Reconsideration of the Coleman's Baby Universe
arXiv:1405.2743
Abstract
We reconsider the Coleman's mechanism that solves the Cosmological Constant Problem by the baby universes. We use the Lorentzian path integral and allow each universe has a different effective field theory and a vacuum. By using the probability distribution of coupling constants, it is shown that the cosmological constant of our universe does not necessary become small due to the effects of other universes.
arXiv comment13 pages, 3 figures; typos are corrected, and references are added (v3)
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