Endpoint contribution to the instantaneous ionization rate for tunneling ionization

I. A. Ivanov; Chang Hee Nam; Kyung Taec Kim

doi:10.1103/PhysRevA.91.063404

Endpoint contribution to the instantaneous ionization rate for tunneling ionization

I. A. Ivanov^*, Chang Hee Nam, Kyung Taec Kim

^*Corresponding author for this work

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

2 Citations (Scopus)

Abstract

We examine the instantaneous ionization amplitudes and instantaneous ionization rates for the process of tunneling ionization. We show that the endpoint contribution usually neglected in the asymptotic evaluation of the amplitudes, may be significant. For weak fields the instantaneous ionization rate is largely defined by this contribution. For higher field strengths of the order of 0.1 a.u., the account of this contribution allows one to reproduce numerically computed instantaneous ionization rates with higher accuracy.

Original language	English
Article number	063404
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	91
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevA.91.063404
Publication status	Published - 8 Jun 2015

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10.1103/PhysRevA.91.063404

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title = "Endpoint contribution to the instantaneous ionization rate for tunneling ionization",

abstract = "We examine the instantaneous ionization amplitudes and instantaneous ionization rates for the process of tunneling ionization. We show that the endpoint contribution usually neglected in the asymptotic evaluation of the amplitudes, may be significant. For weak fields the instantaneous ionization rate is largely defined by this contribution. For higher field strengths of the order of 0.1 a.u., the account of this contribution allows one to reproduce numerically computed instantaneous ionization rates with higher accuracy.",

author = "Ivanov, {I. A.} and Nam, {Chang Hee} and Kim, {Kyung Taec}",

note = "Publisher Copyright: {\textcopyright} 2015 American Physical Society.",

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AU - Ivanov, I. A.

AU - Nam, Chang Hee

AU - Kim, Kyung Taec

PY - 2015/6/8

Y1 - 2015/6/8

N2 - We examine the instantaneous ionization amplitudes and instantaneous ionization rates for the process of tunneling ionization. We show that the endpoint contribution usually neglected in the asymptotic evaluation of the amplitudes, may be significant. For weak fields the instantaneous ionization rate is largely defined by this contribution. For higher field strengths of the order of 0.1 a.u., the account of this contribution allows one to reproduce numerically computed instantaneous ionization rates with higher accuracy.

AB - We examine the instantaneous ionization amplitudes and instantaneous ionization rates for the process of tunneling ionization. We show that the endpoint contribution usually neglected in the asymptotic evaluation of the amplitudes, may be significant. For weak fields the instantaneous ionization rate is largely defined by this contribution. For higher field strengths of the order of 0.1 a.u., the account of this contribution allows one to reproduce numerically computed instantaneous ionization rates with higher accuracy.

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U2 - 10.1103/PhysRevA.91.063404

DO - 10.1103/PhysRevA.91.063404

M3 - Article

SN - 1050-2947

VL - 91

JO - Physical Review A - Atomic, Molecular, and Optical Physics

JF - Physical Review A - Atomic, Molecular, and Optical Physics

IS - 6

M1 - 063404

ER -

Endpoint contribution to the instantaneous ionization rate for tunneling ionization

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