# On the proof of dark matter, the law of gravity, and the mass of neutrinos

@article{Angus2006OnTP, title={On the proof of dark matter, the law of gravity, and the mass of neutrinos}, author={Garry W. Angus and Huanyuan Shan and Hongsheng Zhao and Benoit Famaey University of St. Andrews and Naoc and Beijing and Universit'e libre de Bruxelles}, journal={The Astrophysical Journal}, year={2006}, volume={654} }

We develop a new method to predict the density associated with weak-lensing maps of (un)relaxed clusters in a range of theories interpolating between general relativity (GR) and modified Newtonian dynamics (MOND). We apply it to fit the lensing map of the Bullet merging cluster 1E 0657-56, in order to constrain more robustly the nature and amount of collisionless matter in clusters beyond the usual assumption of spherical equilibrium (Pointecouteau & Silk) and the validity of GR on cluster… Expand

#### Paper Mentions

#### 83 Citations

MOND plus classical neutrinos are not enough for cluster lensing

- Physics
- 2008

Clusters of galaxies offer a robust test bed for probing the nature of dark matter that is insensitive to the assumption of the gravity theories. Both Modified Newtonian Dynamics (MOND) and General… Expand

X-ray group and cluster mass profiles in MOND: unexplained mass on the group scale

- Physics
- 2008

Although very successful in explaining the observed conspiracy between the baryonic distribution and the gravitational field in spiral galaxies without resorting to dark matter (DM), the modified… Expand

The Acceleration Scale, Modified Newtonian Dynamics, and Sterile Neutrinos

- Physics
- 2012

General relativity is able to describe the dynamics of galaxies and larger cosmic structures only if most of the matter in the universe is dark, namely, it does not emit any electromagnetic… Expand

Modifying gravity: you cannot always get what you want

- Physics, Medicine
- Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
- 2011

The observation that, although modified gravity may indeed manage to replace dark matter, it is likely to do so by becoming or at least incorporating a dark matter theory itself is concluded. Expand

Neutrinos as cluster dark matter

- Physics
- 2007

The dynamical mass of clusters of galaxies, calculated in terms of MOdified Newtonian Dynamics (MOND), is a factor of 2 or 3 times smaller than the Newtonian dynamical mass but remains significantly… Expand

Modified Newtonian Dynamics (MOND): Observational Phenomenology and Relativistic Extensions

- Physics, Medicine
- Living reviews in relativity
- 2012

It is shown that many of these puzzling observations are predicted by one single relation — Milgrom’s law — involving an acceleration constant a0 on the order of the square-root of the cosmological constant in natural units. Expand

Extended LCDM: generalized non-minimal coupling for dark matter fluids

- Physics
- 2011

In this paper we discuss a class of models that address the issue of explaining the gravitational dynamics at the galactic scale starting from a geometric point of view. Instead of claiming the… Expand

Neutrinos as galactic dark matter in the Ursa Major galaxy group

- Physics
- 2007

We present the analysis of 23 published rotation curves of disc galaxies belonging to the Ursa Major group of galaxies, with kinematics free of irregularities. The rotation curves are analysed in the… Expand

Does the Cosmological Expansion Change Local Dynamics?

- Computer Science, Physics
- Symmetry
- 2021

This work analyzes whether this coincidence between the closeness of the acceleration scale and the Hubble constant cH0≈10−9 h m/s2 might have a Cosmological origin for scalar-Tensor and spinor-tensor theories by performing detailed calculations for perturbations that represent the local matter distribution on the top of the cosmological background. Expand

The relation between stellar mass and weak lensing signal around galaxies: implications for modified Newtonian dynamics

- Physics
- 2008

We study the amplitude of the weak gravitational lensing signal as a function of stellar mass around a sample of relatively isolated galaxies. This selection of lenses simplifies the interpretation… Expand

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