Modeling tomographic measurements of photoelectron vortices in counter-rotating circularly polarized laser pulses

Gregory Armstrong; Daniel Clarke; Jakub Benda; Jack Wragg; Andrew Brown; Hugo Van Der Hart

doi:10.1103/PhysRevA.100.063416

Modeling tomographic measurements of photoelectron vortices in counter-rotating circularly polarized laser pulses

Gregory Armstrong, Daniel Clarke, Jakub Benda, Jack Wragg, Andrew Brown, Hugo Van Der Hart

School of Mathematics and Physics

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

80 Downloads (Pure)

Abstract

Recent experiments [D. Pengel, S. Kerbstadt, L. Englert, T. Bayer, and M. Wollenhaupt, Phys. Rev. A 96 043426 (2017)] have measured the photoelectron momentum distribution for three-photon ionization of potassium by counter-rotating circularly polarized 790-nm laser pulses. The distribution displays spiral vortices, arising from the interference of ionizing wave packets with different magnetic quantum numbers. The high level of multidimensional detail observed in the distribution makes this an ideal case in which to demonstrate the accuracy of emerging theoretical techniques applicable to such problems. We use the R-matrix with time dependence approach to investigate this process. We calculate the full dimensional photoelectron momentum distribution, and compare against a set of planar projections of this distribution previously measured in experiment.

Original language	English
Article number	063416
Number of pages	9
Journal	Physical Review A (Atomic, Molecular, and Optical Physics)
Volume	100
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevA.100.063416
Publication status	Published - 10 Dec 2019

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Modeling tomographic measurements of photoelectron vortices in counter-rotating circularly polarized laser pulses
© 2019 American Physical Society. This work is made available online in accordance with the publisher’s policies. Please refer to any applicable terms of use of the publisher.
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3 Active

R1066TCP: UK Atomic, Molecular and Optical physics R-matrix consortium (UK AMOR)
Brown, A.
18/06/2019 → …
Project: Research
R1728TCP: R-matrix Suites for Multielectron Attosecond Dynamics in Atoms and Molecules Irradiated by Arbitrarily Polarised Light
Van Der Hart, H. & Brown, A.
08/05/2017 → …
Project: Research
R1725TCP: ARMouReD: Atomic R-matrix Method for Relativistic Dynamics
Van Der Hart, H., Ballance, C. & Brown, A.
08/02/2017 → …
Project: Research

Modeling tomographic measurements of photoelectron vortices in counter-rotating circularly polarized laser pulses
Armstrong, G. (Creator), Clarke, D. (Creator), Wragg, J. (Creator), Brown, A. (Creator) & Van Der Hart, H. (Creator), Queen's University Belfast, 05 Nov 2019
DOI: 10.17034/24d396fc-1744-4431-939d-0658252a854b
Dataset

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Ultrafast Atomic Dynamics in Arbitrary Light Fields
Author: Clarke, D., Jul 2020
Supervisor: Van Der Hart, H. (Supervisor) & Brown, A. (Supervisor)
Student thesis: Doctoral Thesis › Doctor of Philosophy

Cite this

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title = "Modeling tomographic measurements of photoelectron vortices in counter-rotating circularly polarized laser pulses",

abstract = "Recent experiments [D. Pengel, S. Kerbstadt, L. Englert, T. Bayer, and M. Wollenhaupt, Phys. Rev. A 96 043426 (2017)] have measured the photoelectron momentum distribution for three-photon ionization of potassium by counter-rotating circularly polarized 790-nm laser pulses. The distribution displays spiral vortices, arising from the interference of ionizing wave packets with different magnetic quantum numbers. The high level of multidimensional detail observed in the distribution makes this an ideal case in which to demonstrate the accuracy of emerging theoretical techniques applicable to such problems. We use the R-matrix with time dependence approach to investigate this process. We calculate the full dimensional photoelectron momentum distribution, and compare against a set of planar projections of this distribution previously measured in experiment.",

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Modeling tomographic measurements of photoelectron vortices in counter-rotating circularly polarized laser pulses. / Armstrong, Gregory; Clarke, Daniel; Benda, Jakub; Wragg, Jack ; Brown, Andrew ; Van Der Hart, Hugo.

In: Physical Review A (Atomic, Molecular, and Optical Physics), Vol. 100, No. 6, 063416, 10.12.2019.

Research output: Contribution to journal › Article › peer-review

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AU - Brown, Andrew

AU - Van Der Hart, Hugo

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Modeling tomographic measurements of photoelectron vortices in counter-rotating circularly polarized laser pulses

Abstract

Access to Document

R1066TCP: UK Atomic, Molecular and Optical physics R-matrix consortium (UK AMOR)

R1728TCP: R-matrix Suites for Multielectron Attosecond Dynamics in Atoms and Molecules Irradiated by Arbitrarily Polarised Light

R1725TCP: ARMouReD: Atomic R-matrix Method for Relativistic Dynamics

Modeling tomographic measurements of photoelectron vortices in counter-rotating circularly polarized laser pulses

Ultrafast Atomic Dynamics in Arbitrary Light Fields

Cite this