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Title: Resonant two- or three-photon ionization of noble-gas atoms captured by time-resolved photoelectron momentum spectroscopy

Abstract

In this work, we present an all-electron, ab initio calculation of time-resolved photoelectron momentum distributions (PMDs) induced by resonant two-color, two- or three-photon ionization of helium and neon atoms, as recently measured by Villeneuve et al. [Science 356, 1150 (2017)] using a femtosecond infrared (IR) laser pulse and an attosecond pulse train (APT) produced with high harmonic generation as an extreme ultraviolet (XUV) photon source. In contrast to a monochromatic XUV pulse commonly used at the free-electron laser facilities, an APT is broadband and ultrashort (<1 fs), so that it could induce nonresonant one-photon transitions above ionization threshold as well as a resonantly excited state. They may interfere with each other upon subsequent absorption or emission of an IR photon, so that the resultant PMD loses clear orbital symmetry. Our time-dependent density functional calculation demonstrates that the selection of a particular excited state in the time-resolved PMD is nevertheless possible if energy and timing of an APT are adjusted properly.

Authors:
 [1];  [1]
  1. Indiana State Univ., Terre Haute, IN (United States)
Publication Date:
Research Org.:
Indiana State Univ., Terre Haute, IN (United States); Univ. of California, Oakland, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1540669
Alternate Identifier(s):
OSTI ID: 1410875
Grant/Contract Number:  
FG02-06ER46304; AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review A
Additional Journal Information:
Journal Volume: 96; Journal Issue: 6; Journal ID: ISSN 2469-9926
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; atomic & molecular processes in external fields; coherent control; strong electromagnetic field effects; strong field excitation; ultrafast optics; ultrashort pulses; x-ray beams & optics

Citation Formats

Murakami, Mitsuko, and Zhang, G. P. Resonant two- or three-photon ionization of noble-gas atoms captured by time-resolved photoelectron momentum spectroscopy. United States: N. p., 2017. Web. doi:10.1103/physreva.96.063403.
Murakami, Mitsuko, & Zhang, G. P. Resonant two- or three-photon ionization of noble-gas atoms captured by time-resolved photoelectron momentum spectroscopy. United States. https://doi.org/10.1103/physreva.96.063403
Murakami, Mitsuko, and Zhang, G. P. Fri . "Resonant two- or three-photon ionization of noble-gas atoms captured by time-resolved photoelectron momentum spectroscopy". United States. https://doi.org/10.1103/physreva.96.063403. https://www.osti.gov/servlets/purl/1540669.
@article{osti_1540669,
title = {Resonant two- or three-photon ionization of noble-gas atoms captured by time-resolved photoelectron momentum spectroscopy},
author = {Murakami, Mitsuko and Zhang, G. P.},
abstractNote = {In this work, we present an all-electron, ab initio calculation of time-resolved photoelectron momentum distributions (PMDs) induced by resonant two-color, two- or three-photon ionization of helium and neon atoms, as recently measured by Villeneuve et al. [Science 356, 1150 (2017)] using a femtosecond infrared (IR) laser pulse and an attosecond pulse train (APT) produced with high harmonic generation as an extreme ultraviolet (XUV) photon source. In contrast to a monochromatic XUV pulse commonly used at the free-electron laser facilities, an APT is broadband and ultrashort (<1 fs), so that it could induce nonresonant one-photon transitions above ionization threshold as well as a resonantly excited state. They may interfere with each other upon subsequent absorption or emission of an IR photon, so that the resultant PMD loses clear orbital symmetry. Our time-dependent density functional calculation demonstrates that the selection of a particular excited state in the time-resolved PMD is nevertheless possible if energy and timing of an APT are adjusted properly.},
doi = {10.1103/physreva.96.063403},
journal = {Physical Review A},
number = 6,
volume = 96,
place = {United States},
year = {Fri Dec 01 00:00:00 EST 2017},
month = {Fri Dec 01 00:00:00 EST 2017}
}

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Works referencing / citing this record:

Photoelectron momentum distribution of ground- and excited-state lithium atoms induced by extreme-ultraviolet photon absorption
journal, August 2018

  • Murakami, Mitsuko; Zhang, G. P.; Telnov, Dmitry A.
  • Journal of Physics B: Atomic, Molecular and Optical Physics, Vol. 51, Issue 17
  • DOI: 10.1088/1361-6455/aad1ad