Coherent control for the spherical symmetric box potential in short and intensive XUV laser fields

• Authors: Imre Barna , Péter Dombi
• Languages of publication: EN

Abstracts

EN

Coherent control calculations are presented for a spherically symmetric box potential for non-resonant two photon transition probabilities. With the help of a genetic algorithm (GA), the population of the excited states are maximized and minimized. The external driving field is a superposition of three intensive extreme ultraviolet (XUV) linearly polarized laser pulses with different frequencies in the femtosecond duration range. We solved the quantum mechanical problem within the dipole approximation. Our investigation clearly shows that the dynamics of the electron current has a strong correlation with the optimized and neutralizing pulse shape.

Keywords

EN

coherent control; free-electron laser; genetic algorithm

Discipline

• 32.80.Qk: Coherent control of atomic interactions with photons
• 32.80.Fb: Photoionization of atoms and ions(for fluorescence yield, see 32.50.+d)
• 32.80.Wr: Other multiphoton processes

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2008
• Volume: 6
• Issue: 2
• Pages: 205-210

Dates

published

1 - 6 - 2008

online

26 - 3 - 2008

Contributors

author

Imre Barna

• Atomic Energy Research Institute of the Hungarian Academy of Sciences, (KFKI-AEKI), H-1525, Budapest, P.O. Box 49, Hungary

author

Péter Dombi

• Research Institute for Solid State Physics and Optics of the Hungarian Academy of Sciences, (KFKI-SZFKI), H-1525, Budapest, P.O. Box 49, Hungary

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Identifiers

DOI

10.2478/s11534-008-0050-0