Electron-lattice interaction: Azulene in naphthalene
β Scribed by P.O. Cervenka; A.B. Zahlan
- Publisher
- Elsevier Science
- Year
- 1967
- Tongue
- English
- Weight
- 259 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
Transition energies and oscil!ator strengths were calculated for the singlet and triplet states of azulene and naphthalene within the CNDC/2 CI framework. The calculated phosphorescent radiation lifetimes for naphthalene and azulene are 14 seconds and 260 seconds. respectively.
An Anderson-like Hamiltonian, which describes a cluster of a rare earth (Sm or Y) cation surrounded by six S anions, is used to model the electron-lattice interaction in mixed-valence systems. Coupling between the electronic and phononic variables is introduced, and two different phonon modes are co
A model of electron-phonon coupling quadratic in the lattice displacements is applied to the Cu-O and Bi-O based superconductors. T e , the isotope effect and the renormalization of phonon frequencies are discussed.