Deutsch
 
Benutzerhandbuch Datenschutzhinweis Impressum Kontakt
  DetailsucheBrowse

Datensatz

DATENSATZ AKTIONENEXPORT

Freigegeben

Zeitschriftenartikel

Adiabatic Approximation of the Correlation Function in the Density-Functional Treatment of Ionization Processes

MPG-Autoren
/persons/resource/persons31179

Wilken,  Florian
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30281

Bauer,  Dieter
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

Externe Ressourcen
Volltexte (frei zugänglich)
Es sind keine frei zugänglichen Volltexte verfügbar
Ergänzendes Material (frei zugänglich)
Es sind keine frei zugänglichen Ergänzenden Materialien verfügbar
Zitation

Wilken, F., & Bauer, D. (2006). Adiabatic Approximation of the Correlation Function in the Density-Functional Treatment of Ionization Processes. Physical Review Letters, 97(20): 203001, pp. 1-4. doi:10.1103/PhysRevLett.97.203001.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0011-7F04-C
Zusammenfassung
The ionization of a one-dimensional model helium atom in short laser pulses using time-dependent density-functional theory is investigated. We calculate ionization probabilities as a function of laser intensity by approximating the correlation function of the system adiabatically with an explicit dependence on the fractional number of bound electrons. For the correlation potential we take the derivative discontinuity at integer numbers of bound electrons explicitly into account. This approach reproduces ionization probabilities from the solution of the time-dependent Schrödinger equation, in particular, the so-called knee due to nonsequential ionization.