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Transition from nonsequential to sequential double ionization in many-electron systems

Journal Article · · Physical Review A
 [1];  [2];  [3];  [4];  [2];  [2];  [2];  [5];  [6];  [5];  [5];  [7];  [2]
  1. Barcelona Institute of Science and Technology (BIST), Castelldefels (Spain); DOE/OSTI
  2. Barcelona Institute of Science and Technology (BIST), Castelldefels (Spain)
  3. Kansas State Univ., Manhattan, KS (United States)
  4. Univ. of Tsukuba (Japan)
  5. Max Planck Inst. fuer Kernphysik, Heidelberg (Germany)
  6. Max Planck Inst. fuer Kernphysik, Heidelberg (Germany); Physikalisch-Technische Bundesanstalt (Germany)
  7. Univ. of Rochester, NY (United States)
Understanding strong-field double ionization of many-electron systems is an important fundamental problem with potential implications for molecular imaging within this regime. Using mid-IR radiation, we unambiguously identify the transition from nonsequential (e, 2e) to sequential double ionization in Xe at an intensity below 1014 W/cm2. Ionization from excited orbitals is found to be decisive at low intensities, but we demonstrate that such mechanisms are unimportant in the sequential regime. We utilize these facts to successfully image a molecular dication using laser-induced electron diffraction. This methodology can be used to study molecular dynamics on unprecedented few-femtosecond time scales.
Research Organization:
Kansas State Univ., Manhattan, KS (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC)
Grant/Contract Number:
FG02-86ER13491
OSTI ID:
1535755
Alternate ID(s):
OSTI ID: 1378419
Journal Information:
Physical Review A, Journal Name: Physical Review A Journal Issue: 3 Vol. 96; ISSN 2469-9926
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

Symphony on strong field approximation journal October 2019
Phase-space perspective on the wavelength-dependent electron correlation of strong-field double ionization of Xe journal October 2017
Symphony on strong field approximation text January 2019

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