Nonadiabatic dynamics in fifteen state model

We also calculated the standard deviation of state populations in the PSANB scheme, 77 (t) = 

To study the essential features of electronic-phase interference due to a conical intersection, we employ the same model functions as used recently 

In the present system the potential functions of the diabatic states 1 and 2 are defined as 

The profiles of potential functions are graphically presented in Fig. 6.11, showing how the conical intersection looks geometrically in the diabatic 

let us note the symmetric property of the potentials. The potential functions in the diabatic representation is composed of the diagonal part Fjj(R) (J = 1,2) and the off-diagonal coupling term Vi2(R) = F2i(R). As mentioned above, Fi2(R) and Vr k(R) are odd and even, respectively, with respect to the X2 = 0 axis, and therefore observe Fi2(R+(t)) =-Fi2(R7(t)) and Vkk TI t)) = Vkk Rj t)). (6.91) Next, to track the time dependent relation among the symmetrically paired trajectories, we define a mean force (MF) for the trajectories labeled with L as 

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