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Title: Multielectron effects in the photoelectron momentum distribution of noble-gas atoms driven by visible-to-infrared-frequency laser pulses: A time-dependent density-functional-theory approach

Abstract

In this work, we present the photoelectron momentum distributions (PMDs) of helium, neon, and argon atoms driven by a linearly polarized, visible (527-nm) or near-infrared (800-nm) laser pulse (20 optical cycles in duration) based on the time-dependent density-functional theory (TDDFT) under the local-density approximation with a self-interaction correction. A set of time-dependent Kohn-Sham equations for all electrons in an atom is numerically solved using the generalized pseudospectral method. An effect of the electron-electron interaction driven by a visible laser field is not recognizable in the helium and neon PMDs except for a reduction of the overall photoelectron yield, but there is a clear difference between the PMDs of an argon atom calculated with the frozen-core approximation and TDDFT, indicating an interference of its M-shell wave functions during the ionization. Furthermore, we find that the PMDs of degenerate p states are well separated in intensity when driven by a near-infrared laser field, so that the single-active-electron approximation can be adopted safely.

Authors:
 [1];  [2];  [3]
  1. National Taiwan Univ., Taipei (Taiwan). Center for Quantum Science and Engineering; Indiana State Univ., Terre Haute, IN (United States)
  2. Indiana State Univ., Terre Haute, IN (United States)
  3. National Taiwan Univ., Taipei (Taiwan). Center for Quantum Science and Engineering; Univ. of Kansas, Lawrence, KS (United States)
Publication Date:
Research Org.:
Univ. of Kansas, Lawrence, KS (United States); Indiana State Univ., Terre Haute, IN (United States); Univ. of California, Oakland, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); Ministry of Science and Technology of Taiwan
OSTI Identifier:
1535741
Alternate Identifier(s):
OSTI ID: 1359977
Grant/Contract Number:  
FG02-04ER15504; FG02-06ER46304; AC02-05CH11231; 06R104021; 106R8700-2
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review A
Additional Journal Information:
Journal Volume: 95; Journal Issue: 5; 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; atomic spectra; density functional theory; photoemission; strong electromagnetic field effects; strong-field-induced spectra

Citation Formats

Murakami, Mitsuko, Zhang, G. P., and Chu, Shih-I. Multielectron effects in the photoelectron momentum distribution of noble-gas atoms driven by visible-to-infrared-frequency laser pulses: A time-dependent density-functional-theory approach. United States: N. p., 2017. Web. doi:10.1103/physreva.95.053419.
Murakami, Mitsuko, Zhang, G. P., & Chu, Shih-I. Multielectron effects in the photoelectron momentum distribution of noble-gas atoms driven by visible-to-infrared-frequency laser pulses: A time-dependent density-functional-theory approach. United States. https://doi.org/10.1103/physreva.95.053419
Murakami, Mitsuko, Zhang, G. P., and Chu, Shih-I. Fri . "Multielectron effects in the photoelectron momentum distribution of noble-gas atoms driven by visible-to-infrared-frequency laser pulses: A time-dependent density-functional-theory approach". United States. https://doi.org/10.1103/physreva.95.053419. https://www.osti.gov/servlets/purl/1535741.
@article{osti_1535741,
title = {Multielectron effects in the photoelectron momentum distribution of noble-gas atoms driven by visible-to-infrared-frequency laser pulses: A time-dependent density-functional-theory approach},
author = {Murakami, Mitsuko and Zhang, G. P. and Chu, Shih-I},
abstractNote = {In this work, we present the photoelectron momentum distributions (PMDs) of helium, neon, and argon atoms driven by a linearly polarized, visible (527-nm) or near-infrared (800-nm) laser pulse (20 optical cycles in duration) based on the time-dependent density-functional theory (TDDFT) under the local-density approximation with a self-interaction correction. A set of time-dependent Kohn-Sham equations for all electrons in an atom is numerically solved using the generalized pseudospectral method. An effect of the electron-electron interaction driven by a visible laser field is not recognizable in the helium and neon PMDs except for a reduction of the overall photoelectron yield, but there is a clear difference between the PMDs of an argon atom calculated with the frozen-core approximation and TDDFT, indicating an interference of its M-shell wave functions during the ionization. Furthermore, we find that the PMDs of degenerate p states are well separated in intensity when driven by a near-infrared laser field, so that the single-active-electron approximation can be adopted safely.},
doi = {10.1103/physreva.95.053419},
journal = {Physical Review A},
number = 5,
volume = 95,
place = {United States},
year = {Fri May 26 00:00:00 EDT 2017},
month = {Fri May 26 00:00:00 EDT 2017}
}

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Works referencing / citing this record:

Generating high-order optical and spin harmonics from ferromagnetic monolayers
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Photoelectron momentum distribution of ground- and excited-state lithium atoms induced by extreme-ultraviolet photon absorption
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Photoelectron spectra after multiphoton ionization of Li atoms in the one-photon Rabi-flopping regime
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