Relating a small decrease of (mp/me) with cosmological time to a small cosmological constant
Abstract
The possible small variation downward by about 10-5, of the ratio of the proton mass to the electron mass, over cosmological time is related to the decrease with time of a small vacuum expectation value for a Goldstone-like pseudoscalar field. The initial vacuum expectation value controls the magnitude of a very small cosmological constant.
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