scholarly journals The classical limit of the Heisenberg and time-dependent Hartree–Fock equations: the Wick symbol of the solution

2013 ◽  
Vol 20 (1) ◽  
pp. 119-139 ◽  
Author(s):  
Laurent Amour ◽  
Mohamed Khodja ◽  
Jean Nourrigat
Keyword(s):  
Classical Limit ◽  
Time Dependent ◽  
Hartree Fock ◽  
Wick Symbol

scholarly journals Theoretical and experimental comparative studies of nonlinear optical properties for selected melaminium compounds

2010 ◽  
Vol 8 (6) ◽  
pp. 1192-1202 ◽  
Author(s):  
Marek Drozd ◽  
Mariusz Marchewka
Keyword(s):  
Optical Properties ◽  
Acetic Acid ◽  
Nonlinear Optical ◽  
Time Dependent ◽  
X Ray ◽  
Hartree Fock ◽  
Optical Applications ◽  
Experimental Values ◽  
Nonlinear Optical Applications ◽  
Theoretical Results

AbstractThe bis(melaminium) sulphate dihydrate, 2,4,6-triamine-1,3,5-triazin-1,3-ium tartrate monohydrate, 2,4,6-triamine-1,3,5-triazin-1-ium hydrogenphthalate, 2,4,6-triamine-1,3,5-triazin-1-ium acetate acetic acid solvate monohydrate, 2,4,6-triamine-1,3,5-triazin-1-ium bis(selenate) trihydrate, melaminium diperchlorate hydrate, melaminium bis(trichloroacetate) monohydrate and melaminium bis(4-hydroxybenzenesulphonate) dihydrate were discovered recently as perspective materials for nonlinear optical applications. On the basis of X-ray structures for eight melaminium compounds the time dependent Hartree Fock (TDHF) method was used for calculation of the polarizability, and first and second hyperpolarizability. Detailed directional studies of calculated hyperpolarizability for all investigated melaminium compounds are shown. The theoretical results are compared with experimental values of β.

Diabatic aspects of single-particle motion within the time-dependent Hartree-Fock theory

1983 ◽  
Vol 314 (3) ◽  
pp. 309-316 ◽  
Author(s):  
W. Cassing ◽  
A. K. Dhar ◽  
A. Lukasiak ◽  
W. N�renberg
Keyword(s):  
Single Particle ◽  
Particle Motion ◽  
Time Dependent ◽  
Hartree Fock ◽  
Single Particle Motion

Generalizations of the multiconfigurational time-dependent Hartree–Fock approach

1984 ◽  
Vol 19 (0) ◽  
pp. 85-95 ◽  
Author(s):  
Danny L. Yeager ◽  
Jeppe Olsen ◽  
Poul Jørgensen
Keyword(s):  
Time Dependent ◽  
Hartree Fock
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