晶体中的电子涡旋
Electron vortices in crystals
摘要:
本文用多层方法研究了带角动量电子束在晶体中的传输。结果表明,由于弹性散射,涡旋光束发生了强烈的畸变。因此,角动量的期望值以及局部涡分量随涡的初始位置和传播深度而变化,使得在分析实验时必须进行数值模拟。
英文摘要:
The propagation of electron beams carrying angular momentum in crystals is studied using a multislice approach for the model system Fe. It is found that the vortex beam is distorted strongly due to elastic scattering. Consequently, the expectation value of the angular momentum as well as the local vortex components change with the initial position of the vortex and the propagation depth, making numerical simulations indispensable when analyzing experiments.
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。