引力重子产生
Gravitational baryogenesis.
作者信息
Davoudiasl Hooman, Kitano Ryuichiro, Kribs Graham D, Murayama Hitoshi, Steinhardt Paul J
机构信息
School of Natural Sciences, Institute for Advanced Study, Princeton, New Jersey 08540, USA.
出版信息
Phys Rev Lett. 2004 Nov 12;93(20):201301. doi: 10.1103/PhysRevLett.93.201301. Epub 2004 Nov 10.
Abstract
We show that a gravitational interaction between the derivative of the Ricci scalar curvature and the baryon-number current dynamically breaks CPT in an expanding Universe and, combined with baryon-number-violating interactions, can drive the Universe towards an equilibrium baryon asymmetry that is observationally acceptable.
摘要
我们表明，在一个膨胀的宇宙中，里奇标量曲率的导数与重子数流之间的引力相互作用会动态地破坏CPT对称性，并且，结合违反重子数的相互作用，可以驱使宇宙趋向于一个在观测上可接受的平衡重子不对称性状态。
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