Galaxy dynamics predictions in the nonsymmetric gravitational theory

被引：101

作者：

Moffat, JW

Sokolov, IY

机构：

[1] Department of Physics, University of Toronto, Toronto

来源：

PHYSICS LETTERS B | 1996年 / 378卷 / 1-4期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1016/0370-2693(96)00366-8

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the weak field approximation, the nonsymmetric gravitational theory (NGT) has, in addition to the Newtonian gravitational potential, a Yukawa-like potential produced by the exchange of a spin 1(+) boson between fermions. If the range r(0) = mu(-1) is 25 kpc, then this additional potential due to the interaction with matter in the halos of galaxies can explain the flat rotation curves of galaxies and the Tully-Fisher law (L similar to upsilon(4)) without the dark matter hypothesis. Possible fits to clusters of galaxies and gravitational lensing observations are discussed. The results are based on a linear approximation to a new perturbatively consistent version of the NGT field equations, which does not violate the weak equivalence principle.

引用

页码：59 / 67

页数：9

共 32 条

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