Frustrated Tunnel Ionization of Noble Gas Dimers with Rydberg-Electron Shakeoff by Electron Charge Oscillation

A. von Veltheim, B. Manschwetus, W. Quan, B. Borchers, G. Steinmeyer, H. Rottke, and W. Sandner
Phys. Rev. Lett. 110, 023001 – Published 9 January 2013

Abstract

Strong field single ionization of homo- and heteronuclear noble gas dimers with ultrashort infrared laser pulses is experimentally investigated. A pronounced photoelectron yield maximum is found for dimers in the momentum range |p|0.1a.u. which is absent for the corresponding monomer. This yield enhancement can be attributed to a new two-step strong field ionization mechanism active only in the dimers. In the first step, frustrated tunnel ionization at one of the atomic centers populates Rydberg states, which then become ionized in a second step through charge oscillation within the dimer ion core.

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  • Received 18 September 2012

DOI:https://doi.org/10.1103/PhysRevLett.110.023001

© 2013 American Physical Society

Authors & Affiliations

A. von Veltheim1, B. Manschwetus2, W. Quan3, B. Borchers1, G. Steinmeyer1, H. Rottke1, and W. Sandner1

  • 1Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie, Max-Born-Straße 2A, D-12489 Berlin, Germany
  • 2CEA-Saclay, IRAMIS, Service des Photons, Atomes et Molécules, F-91191 Gif-sur-Yvette, France
  • 3State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China

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Vol. 110, Iss. 2 — 11 January 2013

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