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Galactic kinematics with modified Newtonian dynamics [PDF]

open access: yesAstronomy & Astrophysics, 2009
We look for observational signatures that could discriminate between Newtonian and modified Newtonian (MOND) dynamics in the Milky Way, in view of the advent of large astrometric and spectroscopic surveys.
Angus   +56 more
core   +4 more sources

Modified inertia as nonconservative Newtonian dynamics [PDF]

open access: yesPhysical Review D, 2021
Modified Newtonian dynamics by Milgrom is a paradigm for explaining the rotation curves of spiral galaxies and various other large scale structures. This paradigm includes several different theories. Here we present Milgrom's modified inertia (MI) theory in terms of a simple and tractable non-conservative Newtonian dynamics, which is useful in ...
Ahmad Shariati, Nosratollah Jafari
openaire   +2 more sources

New Relativistic Theory for Modified Newtonian Dynamics [PDF]

open access: yesPhysical Review Letters, 2021
We propose a relativistic gravitational theory leading to modified Newtonian dynamics, a paradigm that explains the observed universal galactic acceleration scale and related phenomenology. We discuss phenomenological requirements leading to its construction and demonstrate its agreement with the observed cosmic microwave background and matter power ...
Constantinos Skordis, Tom Złośnik
openaire   +3 more sources

The modified Newtonian dynamics Fundamental Plane [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2011
Modified Newtonian dynamics (MOND) has been shown to be able to fit spiral galaxy rotation curves as well as giving a theoretical foundation for empirically determined scaling relations, such as the Tully-Fisher law, without the need for a dark matter halo. As a complementary analysis, one should investigate whether MOND can also reproduce the dynamics
CARDONE, VINCENZO FABRIZIO   +4 more
openaire   +4 more sources

Dissipationless Collapses in Modified Newtonian Dynamics [PDF]

open access: yesThe Astrophysical Journal, 2007
Dissipationless collapses in modified Newtonian dynamics (MOND) are studied by using a new particle-mesh N-body code based on our numerical MOND potential solver. We found that low surface density end products have shallower inner density profiles, flatter radial velocity dispersion profiles, and more radially anisotropic orbital distributions than ...
NIPOTI, CARLO   +2 more
openaire   +1 more source

Modified Newtonian dynamics in the Milky Way [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2005
Both microlensing surveys and radio-frequency observations of gas flow imply that the inner Milky Way is completely dominated by baryons, contrary to the predictions of standard cold dark matter (CDM) cosmology. We investigate the predictions of the Modified Newtonian Dynamics (MOND) formula for the Galaxy given the measured baryon distribution ...
Famaey, Benoît, Binney, James
openaire   +4 more sources

A Severe Challenge to the Modified Newtonian Dynamics Phenomenology in Our Galaxy

open access: yesThe Astrophysical Journal, 2023
Modified Newtonian dynamics (MOND) is one of the most popular alternative theories of dark matter to explain the missing mass problem in galaxies. Although it remains controversial regarding MOND as a fundamental theory, MOND phenomenology has been shown
Man Ho Chan, Ka Chung Law
doaj   +1 more source

Newtonian and modified newtonian gravitational simulation of spiral galaxies

open access: yesIraqi Journal of Physics, 2019
One of the most powerful tools for any stellar dynamics is the N-body simulation. In an N-body simulation the motion of N particles is followed under their mutual gravitational attraction.
Bushra A. Ahmed
doaj   +1 more source

Non-relativistic gravity theories in four spacetime dimensions

open access: yesJournal of High Energy Physics, 2023
In this work we present a non-relativistic gravity theory defined in four spacetime dimensions using the MacDowell-Mansouri geometrical formulation. We obtain a Newtonian gravity action which is constructed from the curvature of a Newton-Hooke version of
Patrick Concha   +2 more
doaj   +1 more source

A DERIVATION OF MODIFIED NEWTONIAN DYNAMICS [PDF]

open access: yesJournal of The Korean Astronomical Society, 2013
4 pages, 1 figure; to appear in JKAS (received 2013 February 14; revised 2013 March 22; accepted 2013 March 28)
openaire   +2 more sources

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