Spin-orbit coupling conduction electrons

Detection of the conduction electrons by ESR is not feasible in the conductive Cu salts. Owing to the spin-orbit coupling and their pseudo-three-dimensional character (see below), the relaxation times are too short and therefore the linewidths too large [17]. There is thus an anticoincidence here between high conductivity and ESR [18]. In the one-dimensional conducting state of the li salts of DCNQI, with a smaller spin-orbit interaction, the electron-spin resonance can, in contrast, indeed be observed. 

However, the validity of this simple picture becomes questionable when the spin-orbit coupling of the conduction electrons, which mixes spin-up and... 

Gagliardi and Roos conducted a series of studies on actinide compounds. They follow a combined approach with DKH/AMFI Hamiltonians combined with CASSCF/CASPT2 for the energy calculation and an a posteriori added spin-orbit perturbation expanded in the space of nonrelativistic CSFs. This strategy aims to establish a balance of sufficiently accurate wave function and Hamiltonian approximations. Since the CASSCF wave function provides chemically reasonable but not highly accurate results (as witnessed, for instance, in the preceding section), it is combined with a quasi-relativistic Hamiltonian, namely the sc alar-relativistic DKH one-electron Hamiltonian. Additional effects — dynamic correlation and spin-orbit coupling — are then considered via perturbation theory. 

The anomalous or magnetization-dependent Hall effect in metals arises from a skew-scattering of the conduction electrons by the magnetic spins via a spin-orbit coupling. This effect is described in terms of a Hall resistivity of the form... 

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