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Title: Molecular Symmetry-Mixed Dichroism in Double Photoionization of $H2$

Abstract

Dichroism in double photoionization of H2 molecules by elliptically polarized extreme ultraviolet pulses is formulated analytically as a sum of atomiclike dichroism (AD) and molecular symmetry-mixed dichroism (MSMD) terms. The MSMD originates from an interplay of 1Σ and 1Π continuum molecular ionization amplitudes. For detection geometries in which the AD vanishes, numerical results for the sixfold differential probabilities for opposite pulse helicities show that the MSMD is significant in the electron momentum and angular distributions and is controllable by the ellipticity.

Authors:
ORCiD logo [1];  [2];  [2];  [3];  [4]; ORCiD logo [1]
  1. Univ. of Nebraska, Lincoln, NE (United States)
  2. Voronezh State Univ., Voronezh (Russia). Dept. of Physics
  3. Aarhus Univ., Aarhus (Denmark). Dept. of Physics and Astronomy
  4. Univ. of Rochester, Rochester, NY (United States). Lab. for Laser Energetics
Publication Date:
Research Org.:
Univ. of Nebraska-Lincoln, Lincoln, NE (United States); Univ. of Nebraska, Lincoln, NE (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA); Russian Ministry of Education and Science; VKR Center of Excellence; QUSCOPE
OSTI Identifier:
1568769
Alternate Identifier(s):
OSTI ID: 1595971
Grant/Contract Number:  
FG02-96ER14646; PHY-120003; NA0003856
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 123; Journal Issue: 14; Related Information: http://link.aps.org/supplemental/10.1103/PhysRevLett.123.143202; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; double photoionization of diatomic molecules; atomic dichroism; molecular dichroism; molecular symmetry-mixed dichroism; achiral molecules; elliptically-polarized laser pulse; angular distributions; momentum distributions

Citation Formats

Djiokap, Jean Marcel Ngoko, Meremianin, Alexei V., Manakov, Nikolai L., Madsen, Lars B., Hu, Su Xing, and Starace, Anthony F. Molecular Symmetry-Mixed Dichroism in Double Photoionization of $H2$. United States: N. p., 2019. Web. doi:10.1103/PhysRevLett.123.143202.
Djiokap, Jean Marcel Ngoko, Meremianin, Alexei V., Manakov, Nikolai L., Madsen, Lars B., Hu, Su Xing, & Starace, Anthony F. Molecular Symmetry-Mixed Dichroism in Double Photoionization of $H2$. United States. doi:10.1103/PhysRevLett.123.143202.
Djiokap, Jean Marcel Ngoko, Meremianin, Alexei V., Manakov, Nikolai L., Madsen, Lars B., Hu, Su Xing, and Starace, Anthony F. Wed . "Molecular Symmetry-Mixed Dichroism in Double Photoionization of $H2$". United States. doi:10.1103/PhysRevLett.123.143202. https://www.osti.gov/servlets/purl/1568769.
@article{osti_1568769,
title = {Molecular Symmetry-Mixed Dichroism in Double Photoionization of $H2$},
author = {Djiokap, Jean Marcel Ngoko and Meremianin, Alexei V. and Manakov, Nikolai L. and Madsen, Lars B. and Hu, Su Xing and Starace, Anthony F.},
abstractNote = {Dichroism in double photoionization of H2 molecules by elliptically polarized extreme ultraviolet pulses is formulated analytically as a sum of atomiclike dichroism (AD) and molecular symmetry-mixed dichroism (MSMD) terms. The MSMD originates from an interplay of 1Σ and 1Π continuum molecular ionization amplitudes. For detection geometries in which the AD vanishes, numerical results for the sixfold differential probabilities for opposite pulse helicities show that the MSMD is significant in the electron momentum and angular distributions and is controllable by the ellipticity.},
doi = {10.1103/PhysRevLett.123.143202},
journal = {Physical Review Letters},
number = 14,
volume = 123,
place = {United States},
year = {2019},
month = {10}
}

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