手征磁效应的Maxwell-Chern-Simons流体力学
Maxwell-Chern-Simons Hydrodynamics for the Chiral Magnetic Effect
摘要：
在重离子碰撞的典型温度下，特别是在相对论重离子对撞机上，胶子场的拓扑解的真空变化率是很大的。胶子场中的这种缠绕预计会产生奇宇称泡，这会导致带正电和带负电的夸克沿着外部磁场的轴分离。这种手征磁效应可以通过Chern-Simons修正的电磁学来模拟。在这里，我们提出了一个相对论流体力学模型，包括通过陈-西蒙斯项的轴向异常的影响。
英文摘要：
The rate of vacuum changing topological solutions of the gluon field, sphalerons, is estimated to be large at the typical temperatures of heavy-ion collisions, particularly at the Relativistic Heavy Ion Collider. Such windings in the gluon field are expected to produce parity-odd bubbles, which cause separation of positively and negatively charged quarks along the axis of the external magnetic field. This chiral magnetic effect can be mimicked by Chern-Simons modified electromagnetism. Here we present a model of relativistic hydrodynamics including the effects of axial anomalies via the Chern-Simons term.
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