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Kvantovaya Elektronika, 2016, Volume 46, Number 5, Pages 426–431 (Mi qe16395)  

This article is cited in 1 scientific paper (total in 1 paper)

Extreme laser radiation: physics and fundamental applications

Quantum-mechanical calculations of residual current density excited during gas ionisation by an intense two-colour laser pulse

N. V. Vvedenskiiab, A. A. Romanovab, A. A. Silaevab

a Lobachevski State University of Nizhni Novgorod
b Institute of Applied Physics of the Russian Academy of Sciences, Nizhnii Novgorod

Abstract: By solving analytically and numerically the three-dimensional time-dependent Schrödinger equation, we have studied the excitation of a residual current density during gas ionisation by a two-colour laser pulse containing a field at the fundamental frequency and an additional field at the doubled frequency. We have found the dependences of the residual current density on the phase shift between the components of the field and on the intensity of the fundamental harmonic. It is shown that the strong-field approximation taking into account the interaction of freed electrons with the parent ion yields a good quantitative agreement with the results of direct numerical simulation.

Keywords: imaginary-time method, two-colour laser pulse, ionisation, plasma, residual current density, terahertz radiation.

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English version:
Quantum Electronics, 2016, 46:5, 426–431

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Received: 15.03.2016

Citation: N. V. Vvedenskii, A. A. Romanov, A. A. Silaev, “Quantum-mechanical calculations of residual current density excited during gas ionisation by an intense two-colour laser pulse”, Kvantovaya Elektronika, 46:5 (2016), 426–431 [Quantum Electron., 46:5 (2016), 426–431]

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  • http://mi.mathnet.ru/eng/qe/v46/i5/p426

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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. A. A. Silaev, A. A. Romanov, V. A. Kostin, N. V. Vvedenskii, 25th Annual International Laser Physics Workshop (LPHYS'16), Journal of Physics Conference Series, 826, IOP Publishing Ltd, 2017, UNSP 012014  crossref  isi
  • Квантовая электроника Quantum Electronics
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