Dirac cosmologies and the microwave background

Details Dirac cosmologies and the microwave background Dirac cosmologies and the microwave background

Dec 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...210l.137m&link_type=abstract

Astrophysical Journal, vol. 210, Dec. 15, 1976, pt. 2, p. L137, L138.

Astronomy and Astrophysics

Astrophysics

2

Astrophysics, Background Radiation, Cosmology, Intergalactic Media, Microwaves, Dirac Equation, Hydrogen Ions, Optical Thickness, Quasars, Radio Attenuation

Scientific paper

Consequences of recent versions of Dirac's Large Numbers Hypothesis for the cosmic microwave background are examined, and it is found that serious difficulties arise with both multiplicative and additive creation. According to these theories, the microwave radiation did not arise in the primeval fireball but in a recent decoupling from hypothesized intergalactic ionized hydrogen. Values predicted by the theories for the electron density and temperature of the hypothetical intergalactic medium are obtained which give rise to enormous optical depths for low-frequency radio waves from quasars. Thus, it is concluded that both multiplicative and additive creation are in clear conflict with observations and that there are grave difficulties with the Large Numbers Hypothesis in its present form.

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