Study of the possibilities with combinations of circularly and linearly polarized light for attosecond delay investigations
(2020) In Journal of Physics B: Atomic, Molecular and Optical Physics 53(13).- Abstract
We present calculations on the atomic delay in photoionzation obtained with different combinations of linearly and circularly polarized light, and show how a tensor operator approach can be used to readily obtain results for any combination from a single calculation of the radial integrals. We find that for certain choices of polarization and detection geometry a single time-delay measurement is enough to extract the atomic delay since the relative phase in a RABBIT type measurement will be imprinted on the photo electron anisotropy. We show further that the full angular dependence can be qualitatively understood from a plane wave analysis. The results are illustrated by many-body calculations of two-photon above threshold ionization on... (More)
We present calculations on the atomic delay in photoionzation obtained with different combinations of linearly and circularly polarized light, and show how a tensor operator approach can be used to readily obtain results for any combination from a single calculation of the radial integrals. We find that for certain choices of polarization and detection geometry a single time-delay measurement is enough to extract the atomic delay since the relative phase in a RABBIT type measurement will be imprinted on the photo electron anisotropy. We show further that the full angular dependence can be qualitatively understood from a plane wave analysis. The results are illustrated by many-body calculations of two-photon above threshold ionization on argon.
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- author
- Sörngard, J. ; Dahlström, J. M. LU and Lindroth, E.
- organization
- publishing date
- 2020
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- angular momentum theory, attosecond delay, circular polarization, delay in ionization, many-body perturbation theory, RABBIT, random-phase approximation with exchange
- in
- Journal of Physics B: Atomic, Molecular and Optical Physics
- volume
- 53
- issue
- 13
- article number
- 134003
- publisher
- IOP Publishing
- external identifiers
-
- scopus:85086993557
- ISSN
- 0953-4075
- DOI
- 10.1088/1361-6455/ab84c6
- language
- English
- LU publication?
- yes
- id
- 36232df4-4d86-419b-9680-b44a8d87d8a5
- date added to LUP
- 2020-07-07 10:49:46
- date last changed
- 2022-04-18 23:25:49
@article{36232df4-4d86-419b-9680-b44a8d87d8a5,
abstract = {{<p>We present calculations on the atomic delay in photoionzation obtained with different combinations of linearly and circularly polarized light, and show how a tensor operator approach can be used to readily obtain results for any combination from a single calculation of the radial integrals. We find that for certain choices of polarization and detection geometry a single time-delay measurement is enough to extract the atomic delay since the relative phase in a RABBIT type measurement will be imprinted on the photo electron anisotropy. We show further that the full angular dependence can be qualitatively understood from a plane wave analysis. The results are illustrated by many-body calculations of two-photon above threshold ionization on argon.</p>}},
author = {{Sörngard, J. and Dahlström, J. M. and Lindroth, E.}},
issn = {{0953-4075}},
keywords = {{angular momentum theory; attosecond delay; circular polarization; delay in ionization; many-body perturbation theory; RABBIT; random-phase approximation with exchange}},
language = {{eng}},
number = {{13}},
publisher = {{IOP Publishing}},
series = {{Journal of Physics B: Atomic, Molecular and Optical Physics}},
title = {{Study of the possibilities with combinations of circularly and linearly polarized light for attosecond delay investigations}},
url = {{http://dx.doi.org/10.1088/1361-6455/ab84c6}},
doi = {{10.1088/1361-6455/ab84c6}},
volume = {{53}},
year = {{2020}},
}