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  • Effect of nuclear mass on carrier-envelope-phase-controlled electron localization in disassociating molecules

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    98004_1.pdf (739.7Kb)
    Author(s)
    Xu, Han
    Xu, Tian-Yu
    He, Feng
    Kielpinski, D
    Sang, RT
    Litvinyuk, IV
    Griffith University Author(s)
    Sang, Robert T.
    Litvinyuk, Igor
    Year published
    2014
    Metadata
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    Abstract
    We explore the effect of nuclear mass on the laser-driven electron localization process. We dissociate a mixed H2 and D2 target with intense, carrier-envelope-phase (CEP) stable 6 fs laser pulses and detect the products in a reaction microscope. We observe a very strong CEP-dependent asymmetry in proton and deuteron emission for low dissociation energy channels. This asymmetry is stronger for H2 than for D2. We also observe a large CEP offset between the asymmetry spectra for H2 and D2. Our theoretical simulations, based on a one-dimensional two-channel model, agree very well with the asymmetry spectra, but fail to account ...
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    We explore the effect of nuclear mass on the laser-driven electron localization process. We dissociate a mixed H2 and D2 target with intense, carrier-envelope-phase (CEP) stable 6 fs laser pulses and detect the products in a reaction microscope. We observe a very strong CEP-dependent asymmetry in proton and deuteron emission for low dissociation energy channels. This asymmetry is stronger for H2 than for D2. We also observe a large CEP offset between the asymmetry spectra for H2 and D2. Our theoretical simulations, based on a one-dimensional two-channel model, agree very well with the asymmetry spectra, but fail to account properly for the phase difference between the two isotopes.
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    Journal Title
    Physical Review A
    Volume
    89
    DOI
    https://doi.org/10.1103/PhysRevA.89.041403
    Copyright Statement
    © 2014 American Physical Society. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Mathematical sciences
    Physical sciences
    Atomic and molecular physics
    Chemical sciences
    Publication URI
    http://hdl.handle.net/10072/63400
    Collection
    • Journal articles

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