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Kolekcje
Inne
Many particle approach to resonance Raman scattering in crystals: strong electron-phonon interaction and multi-phonon processes.
Autorzy
Rok wydania
2011
Czasopismo
Numer woluminu
388
Strony
57-68
DOI
10.1016/j.chemphys.2011.07.023
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Raman scattering (RS) of light by crystals was studied theoretically taking into account the electron–electron and electron–phonon interactions. The partial diagonalization of the Hamiltonian using unitary transformation was fulfilled. It allowed the structure of the many phonon repetition of bands to be described as a function of the electron–phonon interaction constant. It is shown that the spectral relations obtained for the scattering intensity can describe both the RS and the resonance RS (RRS) processes. Numerical modelling calculations for different parameters were carried out and comparisons with the experimental data for CdS and ZnO crystals were made.
Słowa kluczowe
Raman scattering, Electron–phonon interaction, Multi-phonon excitations
Adres publiczny
https://doi.org/10.1016/j.chemphys.2011.07.023
Strona internetowa wydawcy
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