Molecular Symmetry-Mixed Dichroism in Double Photoionization of $H2$
Journal Article
·
· Physical Review Letters
- Univ. of Nebraska, Lincoln, NE (United States); The University of Nebraska-Lincoln
- Voronezh State Univ., Voronezh (Russia). Dept. of Physics
- Aarhus Univ., Aarhus (Denmark). Dept. of Physics and Astronomy
- Univ. of Rochester, Rochester, NY (United States). Lab. for Laser Energetics
- Univ. of Nebraska, Lincoln, NE (United States)
Dichroism in double photoionization of $$H_2$$ 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$$$$^+\atop{u}$$ and $^1Π$$$$^+\atop{u}$$ 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.
- Research Organization:
- Univ. of Nebraska, Lincoln, NE (United States); Univ. of Nebraska-Lincoln, Lincoln, NE (United States)
- Sponsoring Organization:
- QUSCOPE; Russian Ministry of Education and Science; USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); VKR Center of Excellence
- Grant/Contract Number:
- FG02-96ER14646; NA0003856
- OSTI ID:
- 1568769
- Alternate ID(s):
- OSTI ID: 1595971
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 14 Vol. 123; ISSN 0031-9007; ISSN PRLTAO
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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