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The Modified Newtonian Dynamics as an Alternative to Hidden Matter

Published online by Cambridge University Press:  04 August 2017

Mordehai Milgrom  and
Jacob Bekenstein
Mordehai Milgrom
Affiliation:
Canadian Institute for Theoretical Astrophysics, University of Toronto, Toronto Ont. M5S 1A1 Canada Institute for Advanced Study Princeton NJ 08540 USA
Jacob Bekenstein
Affiliation:
Department of Physics, Ben Gurion University, Beer-Sheva 84105, Israel

Abstract

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The mass discrepancy, which has led to the notion of dark matter may, in fact, be due to a breakdown of the Newtonian laws which are used to determine the masses of galactic systems. We describe a nonrelativistic theory which departs from Newton's in the limit of small accelerations. When one uses the modified dynamics to deduce gravitational masses, the need to invoke large quantities of dark matter disappears. We outline the theory and give criteria for deciding which systems are expected to exhibit marked departures from Newtonian behaviour. The main body of the talk is a succinct description of the major predictions of the theory regarding dynamics within galaxies.

Type
Review Paper
Information
Symposium - International Astronomical Union , Volume 117: Dark Matter in the Universe , 1987 , pp. 319 - 333
Copyright
Copyright © Reidel 1987 

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