Selection rules for atomic excitation by twisted light

verfasst von
Yuxiong Duan, Robert A. Müller, Andrey Surzhykov
Abstract

A theoretical analysis of the selection rules for atomic excitation by twisted light is presented. To perform the analysis, we expand the vector potential of twisted light in terms of its multipole components. We find that its multipole composition locally depends on the radial position in the wavefront, and this position dependence is imprinted in the selection rules. Detailed calculations are performed for Bessel beams and the transition of a ion. Our results indicate that the parameters of the twisted beams can be efficiently used to select the total angular momentum and its projection that can be transferred to an atom in the excitation process.

Externe Organisation(en)
Physikalisch-Technische Bundesanstalt (PTB)
Technische Universität Braunschweig
Typ
Artikel
Journal
Journal of Physics B: Atomic, Molecular and Optical Physics
Band
52
ISSN
0953-4075
Publikationsdatum
28.08.2019
Publikationsstatus
Veröffentlicht
Peer-reviewed
Ja
ASJC Scopus Sachgebiete
Atom- und Molekularphysik sowie Optik, Physik der kondensierten Materie
Elektronische Version(en)
https://doi.org/10.1088/1361-6455/ab3631 (Zugang: Geschlossen)