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  • 1
    Electronic Resource
    Electronic Resource
    Shake-off effects on the production and decay of hollow ions (1992)
    Springer
    The European physical journal 25 (1992), S. 31-39 
    Details
    ISSN: 1434-6079
    Keywords: 32.80.H ; 82.80.P ; 32.30.R
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An improved form of the radiative-Auger-cascade model is presented in which the shake-off contribution is incorporated into the model in a mathematically consistent way, avoiding the problem of double counting. The higher charge state distribution found in the photoionization experiment of the 1s electron in Ne is shown to be predominantly due to the shake-off effect during the formation of the 1s hole, and not during the cascade decays as previously assumed. This shake-off contribution is estimated in the sudden approximation, in terms of overlaps between the neutral and singly ionized ions. An excellent agreement with experiment is obtained in the case of Ne+ with 1s hole. The details of the X-ray and Auger spectra are also predicted by the new model both for the Ne and Mg ions. The shake-off effect on the resonant processes in general is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437517
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Final charge state distribution in the production and decay of hollow Ar (1992)
    Springer
    The European physical journal 25 (1992), S. 41-46 
    Details
    ISSN: 1434-6079
    Keywords: 32.80.H ; 82.80.P ; 32.30.R
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The improved model of radiative-Auger-cascade with shake-off effect is applied to calculate the final charge state distribution and the X-ray and Auger electron spectra emitted during the cascade decay of Ar, with the initial 1s hole created by the synchrotron irradiation. The discrepancy in the predicted charge distribution without the shake-off effect is removed. It was found that the discrepancy was caused mainly by the neglect of the shake-off effect during the productin stage of the 1s hole, and not by the shake-off effect during the decay of the 1s hole. The X-ray and Auger spectra predicted by the improved model are compared with that without the shake-off. The charge distributions resulting from a 2s or 2p initial hole are also presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437518
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    Paper (German National Licenses)
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  • 3
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    Graphene-enabled low-control quantum gates between static and mobile spins (2014)
    American Physical Society (APS)
    Details
    Publication Date: 2014-02-22
    Description: Author(s): G. Cordourier-Maruri, Y. Omar, R. de Coss, and S. Bose We show that the features of Klein tunneling make graphene a unique interface for implementing low control quantum gates between static and mobile qubits. A ballistic electron spin is considered as the mobile qubit, while the static qubit is the electronic spin of a quantum dot fixed in a graphene n... [Phys. Rev. B 89, 075426] Published Fri Feb 21, 2014
    Keywords: Surface physics, nanoscale physics, low-dimensional systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 4
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    High-field transport and optical phonon scattering in graphene (2011)
    American Physical Society (APS)
    Details
    Publication Date: 2011-07-06
    Description: Author(s): Peter Lichtenberger, Omar Morandi, and Ferdinand Schürrer The coupled dynamics of electrons and optical phonons in graphene is investigated. For this purpose, a kinetic model based on space-dependent Boltzmann transport equations for electrons and optical phonons is established. This system is solved by deterministic methods that provide efficiently accura... [Phys. Rev. B 84, 045406] Published Tue Jul 05, 2011
    Keywords: Surface physics, nanoscale physics, low-dimensional systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 5
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    Ion beam induced surface patterns due to mass redistribution and curvature-dependent sputtering (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-12-13
    Description: Author(s): Omar Bobes, Kun Zhang, and Hans Hofsäss Recently it was reported that ion-induced mass redistribution would solely determine nano pattern formation on ion-irradiated surfaces. We investigate the pattern formation on amorphous carbon thin films irradiated with Xe ions of energies between 200 eV and 10 keV. Sputter yield as well as number o... [Phys. Rev. B 86, 235414] Published Wed Dec 12, 2012
    Keywords: Surface physics, nanoscale physics, low-dimensional systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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