On the population dynamics induced by an attosecond train interacting coherently with an atomic system within the electric dipole approximation |
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| Authors: | A Peralta Conde P Tzallas and D Charalambidis |
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| Institution: | (1) Foundation for Research and Technology Hellas, Institute of Electronic Structure and Laser, PO Box 1385, 71110 Heraklion, Crete, Greece;(2) Department of Physics, University of Crete, PO Box 2208, 71003 Heraklion, Crete, Greece |
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| Abstract: | The population dynamics induced in an atomic system by XUV-attosecond radiation have been investigated within the electric
dipole approximation. The main characteristics of the dynamics are explained in simple terms, extending our previous work
on coherent laser-atom interactions in the XUV spectral region. Attosecond beating appearing in a second-order autocorrelation
of a coherent superposition of high order harmonics, is investigated from the perspective of a superposition of Rabi oscillations,
as well as of coherent population return (CPR). The work reveals the strength of attosecond radiation as a tool for time domain
studies of coherent manipulations of quantum systems. |
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