Aspherical Coulomb scattering

Fig. 17.15. Pair-enhancement parameter y versus x -=SHT for aspherical Coulomb scattering (A, S) = (2,0) (from Fulde et al., 1970).

Zeeman hamiltonian hamiltonian describing aspherical Coulomb charge scattering... 

As the next step we want to include the aspherical Coulomb charge scattering of the conduction electrons as described by Hac (see eq. 17.44). For simplicity let us assume that there is no external magnetic field. 

In order to study the influence of conduction electrons we restrict ourselves to the aspherical Coulomb charge scattering A, S) = (2,0) which is described by the hamiltonian H c as given by eq. (17.44). Furthermore we consider again the simple case of cubic symmetry and specialize our considerations to a shear wave polarized in x-direction and propagating in z-direction. The interaction of the RE-ions via the conduction electrons is taken into account by extending the diagrammatic equations for the mode under consideration so that they are of the form shown in fig. 17.39. 

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