自旋翻转同步辐射的讨论
Discussion on spin-flip synchrotron radiation
摘要：
量子自旋翻转跃迁在同步辐射理论中具有重要的意义。为了更好地理解这种现象的本质，有必要从观察中排除与电荷辐射有关的影响。这一事实解释了建议选择的自旋翻转辐射模型，即在均匀磁场中运动的电中性狄拉克-泡利粒子的辐射形式。已知在这种情况下，量子理论中的总辐射受自旋翻转跃迁的制约。这个想法是，自旋翻转辐射表示为一个非稳态过程与自旋进动。我们将说明如何构造具有Dirac-Pauli方程精确解的BMT理论中经典自旋进动方程的解，从而找到量子自旋翻转跃迁与经典自旋进动的联系。
英文摘要：
Quantum spin-flip transitions are of great importance in the synchrotron radiation theory. For better understanding of the nature of this phenomenon, it is necessary to except the effects connected with the electric charge radiation from observation. This fact explains the suggested choice of the spin-flip radiation model in the form of radiation of the electric neutral Dirac-Pauli particle moving in the homogeneous magnetic field. It is known that in this case, the total radiation in the quantum theory is conditioned by spin-flip transitions. The idea is that spin-flip radiation is represented as a nonstationary process connected with spin precession. We shall shown how to construct a solution of the classical equation of the spin precession in the BMT theory having the exact solution of the Dirac-Pauli equation.Thus, one will find the connection of the quantum spin-flip transitions with classical spin precession.
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