On a time varying fine structure constant

Details On a time varying fine structure constant On a time varying fine structure constant

2001-11-28

arxiv.org/abs/gr-qc/0111102v3

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Submitted Modern Physics Letters A

Scientific paper

By employing Dirac LNH, and a further generalization by Berman (GLNH), we estimate how should vary the total number of nucleons, the energy density, Newton Gravitational constant, the cosmological constant, the magnetic permeability and electric permitivity, of the Universe,in order to account for the experimentally observed time variation of the fine structure constant. As a bonus,we find an acceptable value for the deceleration parameter of the present Universe, compatible with the Supernovae observations.

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