旋涡星系旋转动力学的经典分析：Quo Vadis暗物质？
Classical analysis of the rotational dynamic of spiral galaxies: Quo Vadis Dark Matter?
摘要：
在本文中，我们研究了一个恒星的旋转动力学的恒星动力学模型，其自身的质量分布，围绕其中心旋转的密度更高，像螺旋星系发生，通过一个经典的演算的旋转速度的粒子围绕其旋转轴，在一个平滑的物质分布。恒星被认为是粒子，它们在星系中的分布被建模为与其到中心的距离成反比的物质分布。假设物质分布有两种：一种是等密度分布，另一种是径向分布。两种类型的星系对称性也被认为是：球形和扁椭球形。仅使用经典力学参数，它表明，计算的速度分布的星系内是从天文观测获得的类似，而没有必要假设的存在暗物质或其他现象。
英文摘要：
In this paper we study a stellar dynamic model for the stars' rotational-dynamics, with a distribution of its own mass, rotating around its center with a higher density, like spiral galaxies happen, by means of a classical calculus of the rotation velocities of a particle around its rotational axis, inside a smoothed distribution of matter. The stars are supposed to be particles and their distribution in the galaxy is modelled as a matter distribution inversely proportional to its distance from its center. Two kinds of matter distribution are supposed: one with constant density, and other with radial distribution. Two types of galaxy symmetry are also considered: spherical and oblate ellipsoidal. Using only classical mechanics arguments it is shown that the calculated velocity distribution inside the galaxy is similar to that obtained from astronomical observations, without the necessity of suppose the existence of dark matter or other phenomena.
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