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  Momentum partition between constituents of exotic atoms during laser-induced tunneling ionization

Cricchio, D., Fiordilino, E., & Hatsagortsyan, K. Z. (2015). Momentum partition between constituents of exotic atoms during laser-induced tunneling ionization. Physical Review A, 92(2): 023408. doi:10.1103/PhysRevA.92.023408.

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1505.04659.pdf (Preprint), 306KB
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Cricchio, Dario1, 2, Author
Fiordilino, Emilio2, Author
Hatsagortsyan, Karen Zaven1, Author           
Affiliations:
1Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society, ou_904546              
2Dipartimento di Fisica e Chimica, Università di Palermo, Via Archirafi 36, 90123 Palermo, Italy, ou_persistent22              

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Free keywords: Physics, Atomic Physics, physics.atom-ph
 MPINP: Research group K. Z. Hatsagortsyan – Division C. H. Keitel
 Abstract: The tunneling ionization of exotic atoms such as muonic hydrogen, muonium and positronium in a strong laser field of circular polarization is investigated taking into account the impact of the motion of the center of mass on the the tunneling ionization dynamics. The momentum partition between the ionization products is deduced. The effect of the center of mass motion for the momentum distribution of the ionization components is determined. The effect scales with the ratio of the electron (muon) to the atomic core masses and is nonnegligible for exotic atoms, while being insignificant for common atoms. It is shown that the electron (muon) momentum shift during the under-the-barrier motion due to the magnetically induced Lorentz force has a significant impact on the momentum distribution of the atomic core and depends on the ratio of the electron to the atomic core masses.

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 Dates: 2015-08-10
 Publication Status: Published online
 Pages: 9
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevA.92.023408
 Degree: -

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Title: Physical Review A
  Other : Phys. Rev. A
  Other : Physical Review A: Atomic, Molecular, and Optical Physics
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 92 (2) Sequence Number: 023408 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2