Non-perturbative approach to multiphoton ionisation of the hydrogen and helium atoms

I. A. Ivanov; A. S. Kheifets

doi:10.1016/j.radphyschem.2005.07.066

Non-perturbative approach to multiphoton ionisation of the hydrogen and helium atoms

I. A. Ivanov^*, A. S. Kheifets

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Laser light intensities, currently obtained in the laboratories, make it possible to observe many multi-photon phenomena in the interaction of light and matter (such as multi-photon ionisation or MPI process). Theoretical description of such phenomena necessitates the use of essentially non-perturbative framework. We present such an approach based on the recasting of the Schrodinger equation for the system atom+field into a set of coupled integral equations of the Lippmann-Schwinger type.

Original language	English
Pages (from-to)	2102-2104
Number of pages	3
Journal	Radiation Physics and Chemistry
Volume	75
Issue number	11 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.radphyschem.2005.07.066
Publication status	Published - Nov 2006

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10.1016/j.radphyschem.2005.07.066

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title = "Non-perturbative approach to multiphoton ionisation of the hydrogen and helium atoms",

abstract = "Laser light intensities, currently obtained in the laboratories, make it possible to observe many multi-photon phenomena in the interaction of light and matter (such as multi-photon ionisation or MPI process). Theoretical description of such phenomena necessitates the use of essentially non-perturbative framework. We present such an approach based on the recasting of the Schrodinger equation for the system atom+field into a set of coupled integral equations of the Lippmann-Schwinger type.",

keywords = "Kramers-Henneberger Hamiltonian, Multi-photon ionisation, Non-perturbative phenomena, Strong laser fields",

author = "Ivanov, {I. A.} and Kheifets, {A. S.}",

year = "2006",

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doi = "10.1016/j.radphyschem.2005.07.066",

language = "English",

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T1 - Non-perturbative approach to multiphoton ionisation of the hydrogen and helium atoms

AU - Ivanov, I. A.

AU - Kheifets, A. S.

PY - 2006/11

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N2 - Laser light intensities, currently obtained in the laboratories, make it possible to observe many multi-photon phenomena in the interaction of light and matter (such as multi-photon ionisation or MPI process). Theoretical description of such phenomena necessitates the use of essentially non-perturbative framework. We present such an approach based on the recasting of the Schrodinger equation for the system atom+field into a set of coupled integral equations of the Lippmann-Schwinger type.

AB - Laser light intensities, currently obtained in the laboratories, make it possible to observe many multi-photon phenomena in the interaction of light and matter (such as multi-photon ionisation or MPI process). Theoretical description of such phenomena necessitates the use of essentially non-perturbative framework. We present such an approach based on the recasting of the Schrodinger equation for the system atom+field into a set of coupled integral equations of the Lippmann-Schwinger type.

KW - Kramers-Henneberger Hamiltonian

KW - Multi-photon ionisation

KW - Non-perturbative phenomena

KW - Strong laser fields

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U2 - 10.1016/j.radphyschem.2005.07.066

DO - 10.1016/j.radphyschem.2005.07.066

M3 - Article

SN - 0969-806X

VL - 75

SP - 2102

EP - 2104

JO - Radiation Physics and Chemistry

JF - Radiation Physics and Chemistry

IS - 11 SPEC. ISS.

ER -

Non-perturbative approach to multiphoton ionisation of the hydrogen and helium atoms

Abstract

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