Dirac's Cosmology and Mach's Principle

Details Dirac's Cosmology and Mach's Principle Dirac's Cosmology and Mach's Principle

Nov 1961

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1961natur.192..441d&link_type=abstract

Nature, Volume 192, Issue 4801, pp. 441 (1961).

Mathematics

Logic

1

Scientific paper

DICKE discusses the three cosmological numbers: (1) which determines the gravitational constant, (2) which determines the Hubble age of the universe, and (3) the number of particles in the universe. They are related in that: (1) is roughly the reciprocal of (2) and (3) is roughly the square of (2). I assumed that these relations correspond to something fundamental in Nature. With an evolutionary universe (2) varies with time, and then (1) and (3) would also have to vary with time.

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