V.半经典Foldy-Wouthuysen变换和用Wigner函数推导自旋1/2偏振光束的Bloch方程
V. The Semiclassical Foldy-Wouthuysen Transformation and the Derivation of the Bloch Equation for Spin-1/2 Polarised Beams Using Wigner Functions
摘要：
一个半经典的Foldy-Wouthuysen变换的狄拉克方程被用来获得无辐射的布洛赫方程的偏振密度。
英文摘要：
A semiclassical Foldy--Wouthuysen transformation of the Dirac equation is used to obtain the radiationless Bloch equation for the polarisation density.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
