论文标题
布希定理的量子机械公式
Quantum mechanical formulation of the Busch theorem
论文作者
论文摘要
电子涡流梁为电子显微镜中的手性或磁性结构的研究提供了独特的机会以及粒子物理学中量子干扰的基本影响。将阴极浸入螺线管场中提出了一种高效且灵活的方法，用于生成在加速器上使用的涡流电子束，但尚未在电子显微镜中实现。讨论了从电子显微镜中浸泡的阴极产生具有量化轨道角动量的涡流束的条件，并指出了该技术生产其他带电颗粒的涡流束的一般可能性。
Electron vortex beams offer unique opportunities for the study of chiral or magnetic structures in electron microscopes and of fundamental effects of quantum interference in particle physics. Immersing a cathode in a solenoid field presents a highly efficient and flexible method for the generation of vortex electron beams which is utilized at accelerators, but has not yet been realized in an electron microscope. The conditions for the generation of vortex beams with quantized orbital angular momentum from an immersed cathode in an electron microscope are discussed, and general possibilities of this technique for the production of vortex beams of other charged particles are pointed out.
