光剥离显微术中的四光路干涉和不确定原理
Four-path interference and uncertainty principle in photodetachment microscopy
摘要：
本文研究了由单色各向同性点状源发射的电子在平行均匀电场和磁场中的量子运动。由于电力而产生的出射电子波中的双路径干涉图案被磁透镜效应修改，磁透镜效应周期性地将束聚焦成沿着对称轴的窄丝。在那里，四条经典路径相互干扰。随着电子能量的增加，电流分布从受不确定原理支配的量子区域变化到产生半经典分析的复杂空间图案。
英文摘要：
We study the quantal motion of electrons emitted by a pointlike monochromatic isotropic source into parallel uniform electric and magnetic fields. The two-path interference pattern in the emerging electron wave due to the electric force is modified by the magnetic lens effect which periodically focuses the beam into narrow filaments along the symmetry axis. There, four classical paths interfere. With increasing electron energy, the current distribution changes from a quantum regime governed by the uncertainty principle, to an intricate spatial pattern that yields to a semiclassical analysis.
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