Many Worlds and the Vacuum Energy Problem

Abstract

We suggest that it might be possible to resolve the vacuum energy problem by assuming the reality of a many worlds interpretation of quantum mechanics. The suggested resolution is that the enormous theoretical prediction for the vacuum energy density is actually the value distributed across all the parallel universes in a superposition. It is assumed that branching of all the universes into a larger superposition is a physical process which is extremely rare, but which has occurred sufficiently often since the Big Bang that the discrepancy for the experimentally measured value of the energy density can be explained.