Transmission of vortex electrons through a solenoid

被引：4

作者：

Sizykh, G. K. ^{[1
]}

Chaikovskaia, A. D. ^{[1
]}

V. Grosman, D. ^{[1
]}

Pavlov, I. ^{[1
]}

V. Karlovets, D. ^{[1
]}

机构：

[1] ITMO Univ, Sch Phys & Engn, St Petersburg 197101, Russia

来源：

PHYSICAL REVIEW A | 2024年 / 109卷 / 04期

基金：

俄罗斯科学基金会;

关键词：

BEAMS;

D O I：

10.1103/PhysRevA.109.L040201

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We argue that it is nonstationary Laguerre-Gaussian (NSLG) states rather than the Landau ones that appropriately describe electrons with orbital angular momentum both in their dynamics at the boundary between a solenoid and vacuum and inside the magnetic field. It is shown that the root mean square (rms) radius of the NSLG state oscillates in time and its period-averaged value can significantly exceed the rms radius of the stationary Landau state. We propose several experimental scenarios to probe this unconventional quantum dynamics in the magnetic fields typical for electron microscopes and particle accelerators.

引用

页数：5

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