Rescattering processes for elliptical polarization: A quantum trajectory analysis |
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Authors: | Kopold Milosevic Becker |
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Institution: | Max-Born-Institut, Max-Born-Strasse 2a, 12489 Berlin, Germany. |
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Abstract: | High-harmonic generation and high-order above-threshold ionization spectra calculated in the strong-field approximation are analyzed in terms of the complex space-time orbits that result from a saddle point analysis of the underlying integrals. For elliptical polarization, the plateaus of the spectra of high-harmonic generation and high-order above-threshold ionization each turn into a staircase of very similar appearance. Each step of the stair can be traced to a particular pair of orbits which are almost identical in both cases. |
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