Time-dependent multiconfiguration theory for ultrafast electronic dynamics of molecules in an intense laser field: Electron correlation and energy redistribution among natural orbitals

2009 ◽  
Vol 366 (1-3) ◽  
pp. 46-53 ◽  
Author(s):  
Tsuyoshi Kato ◽  
Hirohiko Kono
Keyword(s):  
Electron Correlation ◽  
Laser Field ◽  
Time Dependent ◽  
Intense Laser ◽  
Intense Laser Field ◽  
Energy Redistribution ◽  
Natural Orbitals ◽  
Field Electron ◽  
Electronic Dynamics

SATURATION OF NONLINEAR SUSCEPTIBILITY

2004 ◽  
Vol 13 (02) ◽  
pp. 301-313 ◽  
Author(s):  
MUHAMMAD NURHUDA ◽  
AKIRA SUDA ◽  
KATSUMI MIDORIKAWA
Keyword(s):  
Numerical Solution ◽  
Laser Field ◽  
Schrodinger Equation ◽  
Kerr Nonlinearity ◽  
Time Dependent ◽  
Intense Laser ◽  
Nonlinear Susceptibility ◽  
Intense Laser Field ◽  
Low Intensity ◽  
Intensity Regime

The nonlinear susceptibility of atoms interacting with an intense laser field has been investigated using numerical solution of the time-dependent Schrödinger equation. It was found that the behavior of nonlinear susceptibility strongly depends on the intensity; it increases linearly in low intensity regime (Kerr nonlinearity), then saturates at higher intensity. Furthermore, it has also been found that the nonlinear susceptibility is substantially influenced by the onset of ionization.

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