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Applied Physics B

, 123:116 | Cite as

Double-electron ionization driven by inhomogeneous fields

  • A. Chacón
  • L. Ortmann
  • F. Cucchietti
  • N. Suárez
  • J. A. Pérez-Hernández
  • M. F. Ciappina
  • A. S. Landsman
  • M. Lewenstein
Article
Part of the following topical collections:
  1. “Enlightening the World with the Laser” - Honoring T. W. Hänsch

Abstract

Electron–electron correlation effects play a crucial role in our understanding of sequential (SDI) and non-sequential double ionization (NSDI) mechanisms. Here, we present a theoretical study of NSDI driven by plasmonic-enhanced spatial inhomogeneous fields. By numerically solving the time-dependent Schrödinger equation for a linear reduced model of He and a double-electron time-evolution probability analysis, we provide evidence for enhancement effects in NSDI showing that the double ionization yield at lower laser peak intensities is increased due to the spatial inhomogeneous character of plasmonic-enhanced field. The change in the emission direction of the double-ion as a function of the field inhomogeneity degree demonstrates that plasmonic-enhanced fields could configure a reliable instrument to control the ion emission. Furthermore, our quantum mechanical model, as well as classical trajectory Monte Carlo simulations, show that inhomogeneous fields are as well as a useful tool for splitting the binary and recoil processes in the rescattering scenario.

Keywords

Laser Field Inhomogeneous Field Double Ionization Carrier Envelope Phase Laser Peak Intensity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

This work was supported by the project ELI-Extreme Light Infrastructure-phase 2 (Project No. CZ.02.1.01/0.0/0.0/15_008/0000162) from European Regional Development Fund, Spanish MINECO (National Plan grants FIS2011-30465-C02-01, FOQUS No. FIS2013-46768-P, FISICATEAMO FIS2016-79508-P and Severo Ochoa Excellence Grant No. SEV-2015-0522), the Generalitat de Catalunya (SGR 874 and CERCA/Program) and Fundació Privada Cellex Barcelona. N.S. was supported by the Erasmus Mundus Doctorate Program Europhotonics (Grant No. 159224-1-2009-1-FR-ERA MUNDUS-EMJD). N.S., A.C., and M.L. acknowledge ERC AdG OSYRIS, EU FETPRO QUIC and National Science Centre, Poland—Symfonia Grant 2016/20/W/ST4/00314. A. S. L. acknowledges Max Planck Center for Attosecond Science (MPC-AS). J. A. P.-H. acknowledges to the Spanish Ministerio de Economía y Competitividad (FURIAM Project No. FIS2013-47741-R and PALMA project FIS2016- 81056-R) and Laserlab-Europe (EU-H2020 654148). L.O. acknowledges valuable input from Andre Staudte. The authors thankfully acknowledge the computer resources at MareNostrum, technical expertise and assistance provided by the Barcelona Supercomputing Center and the Red Española de Supercomputación (RES).

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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • A. Chacón
    • 1
  • L. Ortmann
    • 2
  • F. Cucchietti
    • 3
  • N. Suárez
    • 1
  • J. A. Pérez-Hernández
    • 4
  • M. F. Ciappina
    • 5
  • A. S. Landsman
    • 2
    • 6
  • M. Lewenstein
    • 1
    • 7
  1. 1.ICFO-Institut de Ciencies FotoniquesThe Barcelona Institute of Science and TechnologyCastelldefelsSpain
  2. 2.Max Planck Institute for the Physics of Complex SystemsDresdenGermany
  3. 3.Barcelona Supercomputing Center (BSC)BarcelonaSpain
  4. 4.Centro de Láseres Pulsados (CLPU), Parque CientíficoVillamayorSpain
  5. 5.Institute of Physics of the ASCRELI-BeamlinesPragueCzech Republic
  6. 6.Max Planck Postech/Department of PhysicsPohangRepublic of Korea
  7. 7.ICREABarcelonaSpain

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