共形引力：暗物质和暗能量
Conformal Gravity: Dark Matter and Dark Energy
摘要：
这篇简短的评论探讨了最近在理解暗物质、暗能量和星系晕方面的进展，这些进展使用的理论与标准粒子物理学和宇宙学最小程度地不同。严格的共形对称性（局部外尔标度协方差），假设所有基本无质量场，保留了标准的费米子和规范玻色子理论，但修改了爱因斯坦-希尔伯特广义相对论和希格斯标量场模型，没有新的物理场。亚星系现象学被保留。在不涉及暗物质的情况下，共形引力和共形希格斯模型拟合了银河系自转速度、星系晕和哈勃膨胀（包括暗能量）的经验数据。
英文摘要：
This short review examines recent progress in understanding dark matter, dark energy, and galactic halos using theory that departs minimally from standard particle physics and cosmology. Strict conformal symmetry (local Weyl scaling covariance), postulated for all elementary massless fields, retains standard fermion and gauge boson theory but modifies Einstein-Hilbert general relativity and the Higgs scalar field model, with no new physical fields. Subgalactic phenomenology is retained. Without invoking dark matter, conformal gravity and a conformal Higgs model fit empirical data on galactic rotational velocities, galactic halos, and Hubble expansion including dark energy.
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