Suppression of photoionization by a static field

Ido Gilary; Yesodharan Sajeev; Marcelo F. Ciappina; Alexander Croy; Christoph M. Goletz; Shachar Klaiman; Milan Sindelka; Martin Winter; Waltraut Wustmann; Nimrod Moiseyev

doi:10.1103/PhysRevLett.101.163002

Suppression of photoionization by a static field

Ido Gilary, Yesodharan Sajeev, Marcelo F. Ciappina, Alexander Croy, Christoph M. Goletz, Shachar Klaiman, Milan Sindelka, Martin Winter, Waltraut Wustmann, Nimrod Moiseyev^*

^*Corresponding author for this work

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

6 Scopus citations

Abstract

The dc field Stark effect is studied theoretically for atoms in high intensity laser fields. We prove that the first-order perturbation corrections for the energy and photoionization rate vanish when the dc field strength serves as a perturbational strength parameter. Our calculations show that by applying a dc field in the same direction as the polarization direction of the ac field, the photoinduced ionization rate is almost entirely suppressed. This suppression is attributed to changes in the phase shift of the continuum atomic wave functions which can be controlled by the dc field.

Original language	English
Article number	163002
Journal	Physical Review Letters
Volume	101
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.101.163002
State	Published - 17 Oct 2008
Externally published	Yes

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10.1103/PhysRevLett.101.163002

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title = "Suppression of photoionization by a static field",

abstract = "The dc field Stark effect is studied theoretically for atoms in high intensity laser fields. We prove that the first-order perturbation corrections for the energy and photoionization rate vanish when the dc field strength serves as a perturbational strength parameter. Our calculations show that by applying a dc field in the same direction as the polarization direction of the ac field, the photoinduced ionization rate is almost entirely suppressed. This suppression is attributed to changes in the phase shift of the continuum atomic wave functions which can be controlled by the dc field.",

author = "Ido Gilary and Yesodharan Sajeev and Ciappina, {Marcelo F.} and Alexander Croy and Goletz, {Christoph M.} and Shachar Klaiman and Milan Sindelka and Martin Winter and Waltraut Wustmann and Nimrod Moiseyev",

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AU - Gilary, Ido

AU - Sajeev, Yesodharan

AU - Ciappina, Marcelo F.

AU - Croy, Alexander

AU - Goletz, Christoph M.

AU - Klaiman, Shachar

AU - Sindelka, Milan

AU - Winter, Martin

AU - Wustmann, Waltraut

AU - Moiseyev, Nimrod

PY - 2008/10/17

Y1 - 2008/10/17

N2 - The dc field Stark effect is studied theoretically for atoms in high intensity laser fields. We prove that the first-order perturbation corrections for the energy and photoionization rate vanish when the dc field strength serves as a perturbational strength parameter. Our calculations show that by applying a dc field in the same direction as the polarization direction of the ac field, the photoinduced ionization rate is almost entirely suppressed. This suppression is attributed to changes in the phase shift of the continuum atomic wave functions which can be controlled by the dc field.

AB - The dc field Stark effect is studied theoretically for atoms in high intensity laser fields. We prove that the first-order perturbation corrections for the energy and photoionization rate vanish when the dc field strength serves as a perturbational strength parameter. Our calculations show that by applying a dc field in the same direction as the polarization direction of the ac field, the photoinduced ionization rate is almost entirely suppressed. This suppression is attributed to changes in the phase shift of the continuum atomic wave functions which can be controlled by the dc field.

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DO - 10.1103/PhysRevLett.101.163002

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JO - Physical Review Letters

JF - Physical Review Letters

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ER -

Suppression of photoionization by a static field

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