A doubly distorted-wave method for atomic ionization by ultrashort laser pulses

M. S. Gravielle; D. G. Arbó; J. E. Miraglia; M. F. Ciappina

doi:10.1088/0953-4075/45/1/015601

A doubly distorted-wave method for atomic ionization by ultrashort laser pulses

M. S. Gravielle^*, D. G. Arbó, J. E. Miraglia, M. F. Ciappina

^*Corresponding author for this work

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

8 Scopus citations

Abstract

We study a time-dependent distorted-wave formulation of atomic ionization by short laser pulses named the double-distorted Coulomb-Volkov (DDCV) approximation. The method takes into account the distortions introduced by the laser field in the initial and final channels, both by means of the Volkov phase. The DDCV model is applied to evaluate electron emission distributions for hydrogen atoms ionized by multi-cycle laser pulses. Results are compared with the predictions of an exact treatment based on the numerical solution of the time-dependent Schrödinger equation (TDSE) and with values derived from the standard Coulomb-Volkov (CV) approach, considering different intensities and frequencies of the laser field. Good agreement with the TDSE solution has been obtained for laser frequencies higher than 0.1 au, extending the range of applicability of the usual CV-type methods.

Original language	English
Article number	015601
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Volume	45
Issue number	1
DOIs	https://doi.org/10.1088/0953-4075/45/1/015601
State	Published - 14 Jan 2012
Externally published	Yes

Access to Document

10.1088/0953-4075/45/1/015601

Cite this

@article{aced856005904b6ca3bf27aab648de2f,

title = "A doubly distorted-wave method for atomic ionization by ultrashort laser pulses",

abstract = "We study a time-dependent distorted-wave formulation of atomic ionization by short laser pulses named the double-distorted Coulomb-Volkov (DDCV) approximation. The method takes into account the distortions introduced by the laser field in the initial and final channels, both by means of the Volkov phase. The DDCV model is applied to evaluate electron emission distributions for hydrogen atoms ionized by multi-cycle laser pulses. Results are compared with the predictions of an exact treatment based on the numerical solution of the time-dependent Schr{\"o}dinger equation (TDSE) and with values derived from the standard Coulomb-Volkov (CV) approach, considering different intensities and frequencies of the laser field. Good agreement with the TDSE solution has been obtained for laser frequencies higher than 0.1 au, extending the range of applicability of the usual CV-type methods.",

author = "Gravielle, {M. S.} and Arb{\'o}, {D. G.} and Miraglia, {J. E.} and Ciappina, {M. F.}",

year = "2012",

month = jan,

day = "14",

doi = "10.1088/0953-4075/45/1/015601",

language = "英语",

volume = "45",

journal = "Journal of Physics B: Atomic, Molecular and Optical Physics",

issn = "0953-4075",

publisher = "IOP Publishing Ltd.",

number = "1",

}

TY - JOUR

T1 - A doubly distorted-wave method for atomic ionization by ultrashort laser pulses

AU - Gravielle, M. S.

AU - Arbó, D. G.

AU - Miraglia, J. E.

AU - Ciappina, M. F.

PY - 2012/1/14

Y1 - 2012/1/14

N2 - We study a time-dependent distorted-wave formulation of atomic ionization by short laser pulses named the double-distorted Coulomb-Volkov (DDCV) approximation. The method takes into account the distortions introduced by the laser field in the initial and final channels, both by means of the Volkov phase. The DDCV model is applied to evaluate electron emission distributions for hydrogen atoms ionized by multi-cycle laser pulses. Results are compared with the predictions of an exact treatment based on the numerical solution of the time-dependent Schrödinger equation (TDSE) and with values derived from the standard Coulomb-Volkov (CV) approach, considering different intensities and frequencies of the laser field. Good agreement with the TDSE solution has been obtained for laser frequencies higher than 0.1 au, extending the range of applicability of the usual CV-type methods.

AB - We study a time-dependent distorted-wave formulation of atomic ionization by short laser pulses named the double-distorted Coulomb-Volkov (DDCV) approximation. The method takes into account the distortions introduced by the laser field in the initial and final channels, both by means of the Volkov phase. The DDCV model is applied to evaluate electron emission distributions for hydrogen atoms ionized by multi-cycle laser pulses. Results are compared with the predictions of an exact treatment based on the numerical solution of the time-dependent Schrödinger equation (TDSE) and with values derived from the standard Coulomb-Volkov (CV) approach, considering different intensities and frequencies of the laser field. Good agreement with the TDSE solution has been obtained for laser frequencies higher than 0.1 au, extending the range of applicability of the usual CV-type methods.

UR - http://www.scopus.com/inward/record.url?scp=83755181617&partnerID=8YFLogxK

U2 - 10.1088/0953-4075/45/1/015601

DO - 10.1088/0953-4075/45/1/015601

M3 - 文章

AN - SCOPUS:83755181617

SN - 0953-4075

VL - 45

JO - Journal of Physics B: Atomic, Molecular and Optical Physics

JF - Journal of Physics B: Atomic, Molecular and Optical Physics

IS - 1

M1 - 015601

ER -

A doubly distorted-wave method for atomic ionization by ultrashort laser pulses

Abstract

Access to Document

Other files and links

Fingerprint

Cite this