Efficient grid treatment of the ionization dynamics of laser-driven H-2(+)

Daniel Dundas

doi:10.1103/PhysRevA.65.023408

Efficient grid treatment of the ionization dynamics of laser-driven H-2(+)

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

Abstract

We implement a parallel, time-dependent hybrid finite-difference Lagrange mesh code to model the electron dynamics of the fixed-nuclei hydrogen molecular ion subjected to intense ultrashort laser Pulses, Ionization rates are calculated and compared with results from a previous finite-difference approach and also with published Floquet results. The sensitivity of the results to the gauge describing the electron-field interaction is studied. Visualizations of the evolving wave packets are also presented in which the formation of a stable bound-state resonance is observed.

Original language	English
Pages (from-to)	023408-1-023408-11
Number of pages	11
Journal	Physical Review A
Volume	65
DOIs	https://doi.org/10.1103/PhysRevA.65.023408
Publication status	Published - Jan 2002

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title = "Efficient grid treatment of the ionization dynamics of laser-driven H-2(+)",

abstract = "We implement a parallel, time-dependent hybrid finite-difference Lagrange mesh code to model the electron dynamics of the fixed-nuclei hydrogen molecular ion subjected to intense ultrashort laser Pulses, Ionization rates are calculated and compared with results from a previous finite-difference approach and also with published Floquet results. The sensitivity of the results to the gauge describing the electron-field interaction is studied. Visualizations of the evolving wave packets are also presented in which the formation of a stable bound-state resonance is observed.",

author = "Daniel Dundas",

year = "2002",

month = jan,

doi = "10.1103/PhysRevA.65.023408",

language = "English",

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journal = "Physical Review A (Atomic, Molecular, and Optical Physics)",

issn = "1050-2947",

publisher = "American Physical Society",

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AB - We implement a parallel, time-dependent hybrid finite-difference Lagrange mesh code to model the electron dynamics of the fixed-nuclei hydrogen molecular ion subjected to intense ultrashort laser Pulses, Ionization rates are calculated and compared with results from a previous finite-difference approach and also with published Floquet results. The sensitivity of the results to the gauge describing the electron-field interaction is studied. Visualizations of the evolving wave packets are also presented in which the formation of a stable bound-state resonance is observed.

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DO - 10.1103/PhysRevA.65.023408

M3 - Article

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

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

SN - 1050-2947

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