Numerical Coincidences in Microphysics and Cosmology

Details Numerical Coincidences in Microphysics and Cosmology Numerical Coincidences in Microphysics and Cosmology

Mar 1955

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1955amjph..23..136z&link_type=abstract

American Journal of Physics, Volume 23, Issue 3, pp. 136-141 (1955).

Physics

Scientific paper

If nuclear lengths, masses, times, energies, actions, etc., are compared with corresponding cosmological quantities, the resulting dimensionless ratios are near unity or near a small, half-integral power of 1080, which is picturesquely called the ``number of particles in the universe.'' These ``numerical coincidences'' are collected and shown to imply probably a single relation between atomic and cosmic structural constants. They may be used to define two systems of units such that any quantity has a measure in the ``elementary'' system which is an integral power of 1040 times its measure in the ``cosmical'' system. Both systems are theoretically convenient, the ``elementary'' having c and h unity, and the ``cosmical'' having c and G unity.

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