Oscillating cosmological force modifies Newtonian dynamics
  In the Newtonian limit of general relativity force acting on a test mass in a
central gravitational field is conventionally defined by the attractive
Newtonian gravity (inverse square) term plus a small repulsive cosmological
force, which is proportional to the slow acceleration of the universe
expansion. In this paper we consider the cosmological force correction due to
fast quantum oscillations of the universe scale factor, which were suggested
recently by Wang et al. (Phys. Rev. D 95, 103504 (2017)) as a potential
solution of the cosmological constant problem. These fast fluctuations of the
cosmological scale factor induce strong changes to the current sign and
magnitude of the average cosmological force, thus making it one of the
potential probable causes of the modification of Newtonian dynamics in
galaxy-scale systems. The modified cosmological force may be responsible for
the recently discovered "cosmic clock" behaviour of disk galaxies in the low
redshift universe.
