A quantum mechanical derivation of Gamow's relation for the time and temperature of the expanding Universe

Details A quantum mechanical derivation of Gamow's relation for the time and temperature of the expanding Universe A quantum mechanical derivation of Gamow's relation for the time and temperature of the expanding Universe

1999-12-10

arxiv.org/abs/gr-qc/9912037v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Tex-file, 13 pages

Scientific paper

The quantum mechanical approach developed by us recently for the evolution of the universe is used to derive an alternative derivation connecting the temperature of the cosmic background radiation and the age of the universe which is found to be similar to the one obtained by Gamow long back. By assuming the age of the universe to be $\approx$ 20 billion years, we reproduce a value of $\approx$ 2.91 K for the cosmic back-ground radiation, agreeing well with the recently measured experimental value of 2.728 K. Besides, this theory enables us to calculate the photon density and entropy associated with the background radiation and the ratio of the number of photons to the number of nucleons, which quantitatively agree with the results obtained by others.

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