Is there a fundamental acceleration?

Details Is there a fundamental acceleration? Is there a fundamental acceleration?

Jan 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ncimb.109...25m&link_type=abstract

Nuovo Cimento B, Vol. 109, No. 1, p. 25 - 33

Mathematics

Logic

1

Gravitation Theory: Universe

Scientific paper

The acceleration a0 ≡ 10-8cm s-2 appears insistently in physics and seems to play a fundamental role at the cosmological, astrophysical and microphysical level. It is the surface gravity of all mesons, of a typical protostar, of a typical galaxy and of the entire universe; it is also the minimal acceleration an electric charge must have to radiate, the minimal centripetal acceleration of the quarks trapped in a spinning meson, the minimal acceleration a frame must have to feel the Unruh temperature, the minimal value a gravitational field must have to induce transitions between states of opposite parity in the hydrogen atom, the acceleration of any particle of rest mass h/Rc (R = the radius of the observable universe) such as the graviton; from the existence of the fundamental acceleration a0 one can derive the Weinberg relation (connecting microphysics to cosmology) and the well-known rough equality (so far unexplained) between the energy density of the cosmological microwave radiation, of the mean galactic magnetic field, and of the starlight in the Milky Way.

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