The temperature dependence of the third-order nonlinear susceptibility ?(3) of CS2 and dodecylbenzene

1995 ◽  
Vol 27 (3) ◽  
pp. 155-158
Author(s):  
Dang Fu-Xi ◽  
Wu Bai-Shi
Keyword(s):  
Temperature Dependence ◽  
Nonlinear Susceptibility ◽  
Third Order ◽  
The Third ◽  
Third Order Nonlinear Susceptibility

THE THIRD ORDER NONLINEAR SUSCEPTIBILITY OF INTERACTING ONE-DIMENSIONAL FRENKEL EXCITONS

2001 ◽  
Vol 15 (28n30) ◽  
pp. 3809-3812 ◽  
Author(s):  
H. Ishihara ◽  
T. Amakata
Keyword(s):  
Exciton State ◽  
Nonlinear Susceptibility ◽  
State Transitions ◽  
Third Order ◽  
One Dimensional ◽  
Long Wavelength ◽  
The Third ◽  
Wavelength Approximation ◽  
Frenkel Excitons ◽  
Third Order Nonlinear Susceptibility

An analytical expression of the third order nonlinear susceptibility χ(3) has been derived rigorously for a system of interacting Frenkel excitons in a one-dimensional chain of size N with the periodic boundary conditions. It has been clarified that the magnitude of interacting potential between excitons strongly influences the size dependence of χ(3) in the long wavelength approximation, which is well explained in terms of the cancellation effect between the contributions from [ground state] - [one-exciton] transitions and those from [one-exciton] - [two-exciton state] transitions.

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