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- W2556770070 abstract "We consider weak gravity at accelerations $alpha<a_H$ when Rindler and cosmological horizon collude at $R_H=c/H$, where $c$ is the velocity of light and $H$ is the Hubble parameter. This is manifest in reduced inertia $m$, below the value $m_0$ in Newtonian gravity. Striking evidence for a sharp transition to weak gravity is found in galaxy rotation curves. Their sensitivity to the cosmological background is expressed by correlations to the deceleration parameter $q=1-(4pi a_0/cH)^{2}$ and $q=-1/2 -3 (Omega_b/sqrt{2}sqrt{pi})^{1/2}$, where $a_0$ is Milgrom's scale in the baryonic Tully-Fisher relation of spiral galaxies and $Omega_b$ is the baryonic matter density. The Planck value $Omega_b=0.048$ with $Hsimeq 73$ km s$^{-1}$ Mpc$^{-1}$ shows $qsimeq-0.85$. Future surveys may determine $Q_0=left.dq(z)/dzright|_{z=0}$ to provide a direct test for dynamical dark energy ($Q_0>2.5$) versus $Lambda$CDM ($Q_0<1$)." @default.
- W2556770070 created "2016-11-30" @default.
- W2556770070 creator A5088500024 @default.
- W2556770070 date "2016-11-10" @default.
- W2556770070 modified "2023-10-18" @default.
- W2556770070 title "New estimates of the deceleration parameter in weak gravity" @default.
- W2556770070 cites W2158033100 @default.
- W2556770070 doi "https://doi.org/10.5281/zenodo.162267" @default.
- W2556770070 hasPublicationYear "2016" @default.
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