Model Calculation of Distance-Dependent Electron–Phonon Coupling Parameters Derived from One- and Two-Body Interactions for a Dimer

Author: Acquarone M.  

Publisher: Springer Publishing Company

ISSN: 0896-1107

Source: Journal of Superconductivity: Incorporating Novel Magnetism, Vol.13, Iss.5, 2000-10, pp. : 797-799

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Abstract

We evaluate all the electron–phonon coupling terms derived from one and two-body electronic interactions, in both the adiabatic and the extreme nonadiabatic limit, for a dimer with a nondegenerate orbital built from atomic wave functions of Gaussian shape. Different forms of the Hamiltonian contributions result in the two limits.