强磁场中质子同步辐射产生π介子的量子场论处理：朗道能级的影响
Quantum Field Theoretic Treatment of Pion Production via Proton Synchrotron Radiation in Strong Magnetic Fields: Effects of Landau Levels
摘要：
研究了强磁场中质子同步辐射产生π介子的过程。我们从强磁场中的狄拉克方程导出了精确的质子传播子，并明确地包含了反常磁矩。在这个精确的量子场方法的π同步辐射的幅度原来是远远小于在半经典的方法得到的。然而，我们也发现质子的反常磁矩使产率大大提高了约两个数量级。
英文摘要：
We study pion production from proton synchrotron radiation in the presence of strong magnetic fields. We derive the exact proton propagator from the Dirac equation in a strong magnetic field by explicitly including the anomalous magnetic moment. In this exact quantum-field approach the magnitude of pion synchrotron emission turns out to be much smaller than that obtained in the semi-classical approach. However, we also find that the anomalous magnetic moment of the proton greatly enhances the production rate about by two order magnitude.
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