Frequency-dependent second hyperpolarizabilities in the time-dependent restricted open-shell Hartree–Fock theory: Application to the Li, Na, K, and N atoms

2000 ◽  
Vol 112 (18) ◽  
pp. 7903-7918 ◽  
Author(s):  
Takao Kobayashi ◽  
Kotoku Sasagane ◽  
Kizashi Yamaguchi
Keyword(s):  
Open Shell ◽  
Time Dependent ◽  
Frequency Dependent ◽  
Hartree Fock ◽  
Theory Application

Frequency dependent polarizabilities in a multiconfigurational time dependent Hartree-Fock approximation

1980 ◽  
Vol 41 (2) ◽  
pp. 409-420 ◽  
Author(s):  
Preben Albertsen ◽  
Poul Jørgensen ◽  
Danny L. Yeager
Keyword(s):  
Time Dependent ◽  
Frequency Dependent ◽  
Hartree Fock

Direct atomic‐orbital‐based time‐dependent Hartree–Fock calculations of frequency‐dependent polarizabilities

1992 ◽  
Vol 96 (4) ◽  
pp. 2978-2987 ◽  
Author(s):  
Martin Feyereisen ◽  
Jeff Nichols ◽  
Jens Oddershede ◽  
Jack Simons
Keyword(s):  
Atomic Orbital ◽  
Time Dependent ◽  
Frequency Dependent ◽  
Hartree Fock

The time-dependent coupled Hartree-Fock approximation

1966 ◽  
Vol 291 (1425) ◽  
pp. 291-295 ◽  
Keyword(s):  
Refractive Index ◽  
Variational Calculation ◽  
Time Dependent ◽  
Electron Systems ◽  
Frequency Dependent ◽  
Hartree Fock ◽  
Helium Gas

A coupled Hartree-Fock approximation for describing the effects of time-dependent perturbations on many-electron systems is presented. It is applied to the calculation of the frequency-dependent refractive index of helium gas with results that differ by between 4 and 8% from the accurate values obtained by a refined variational calculation.

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