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Slow luminescence is studied in Mn doped CdS, ZnS, and ZnSe quantum dots. Because of the high degeneracy of Mn d-orbitals, we employ the multi-determinant SAC–CI computational method to determine the spin-forbidden transition from the 4T1 first excited to 6A1 ground state. We find that the transition energies for each material are in the excellent agreement with the experimental data. The computations...
The exact solution for a transition probability in vibrationally modulated electron transfer is found by employing three independent methods based on: (a) a path integral technique, (b) direct diagonalization of the Hamiltonian by a unitary transformation, and (c) Keldysh-Green's function techniques. We also consider a solution in the noninteracting blip approximation (NIBA). The comparative analysis...
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