Abstract
As a low-temperature model for Ce heavy-fermion systems with strong spin-orbit coupling (J=5/2), quasiparticle states are derived at low temperature across a crossover transition from the high-temperature regime using a finite temperature Green-function decoupling method for the spin-orbit Anderson lattice Hamiltonian. In order to compare these quasiparticle states with those of the Zou-Anderson mean-field model, the low-temperature magnetic susceptibilities chi q(T)(q=O and q=Q) and the effective magnetic moments of quasiparticles are calculated for the simple cubic lattice using these two approaches, and then compared with the experimental results.
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