History-dependent effects in subcycle-waveform strong-field ionization

Kolesik, M., Brown, J.M., Moloney, J.V. and Faccio, D. (2014) History-dependent effects in subcycle-waveform strong-field ionization. Physical Review A, 90(3), 033414. (doi:10.1103/PhysRevA.90.033414)

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Recent developments in laser sources allow one to shape the precise electric-field waveform oscillation at the subcycle level. These waveforms may then be used to drive and control ultrafast nonlinear phenomena at the attosecond timescale. By utilizing numerical solutions of time-dependent Schrödinger equations and exact solutions of a simple quantum-mechanical system, we show that an atom driven by such sources exhibit coherent history-dependent effects. These manifest themselves in “macroscopic” quantities such as the yield in multicolor, strong-field ionization. We argue that weakly bound, metastable electronic states may enable the dependence on the system history even in long-duration, relatively weak driving waveforms.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Faccio, Professor Daniele
Authors: Kolesik, M., Brown, J.M., Moloney, J.V., and Faccio, D.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review A
Publisher:American Physical Society
ISSN (Online):1094-1622

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