Lake Kayll
Department of Physics, Queen's University, Kingston, Ontario, Canada K7L 3N6.
Phys Rev Lett. 2004 Feb 6;92(5):051101. doi: 10.1103/PhysRevLett.92.051101. Epub 2004 Feb 5.
The information contained in galactic rotation curves is examined under a minimal set of assumptions. If emission occurs from stable circular geodesic orbits of a static spherically symmetric field, with information propagated to us along null geodesics, observed rotation curves determine galactic potentials without specific reference to any metric theory of gravity. Given the potential, the gravitational mass can be obtained by way of an anisotropy function of this field. The gravitational mass and anisotropy function can be solved simultaneously in a Newtonian limit without specifying any specific source. This procedure, based on a minimal set of assumptions, puts very strong constraints on any model of the "dark matter."
在一组最少的假设条件下，对星系旋转曲线中包含的信息进行了研究。如果辐射源自静态球对称场的稳定圆形测地线轨道，且信息沿着零测地线传播到我们这里，那么观测到的旋转曲线就能确定星系势，而无需特别提及任何引力的度规理论。已知势的情况下，可以通过该场的一个各向异性函数来获得引力质量。在牛顿极限下，无需指定任何具体源，就可以同时求解引力质量和各向异性函数。这个基于最少假设集的过程，对任何“暗物质”模型都施加了非常严格的限制。
