Magnetic susceptibility of Ce: an LDA+DMFT study
Abstract
The magnetic properties of Ce in the α and γ phase are calculated within the LDA+DMFT approach. The magnetic susceptibility in these two phases shows a similar behavior over a wide temperature range: a Curie-Weiss law at high temperatures, indicating the presence of local moments, followed by a maximum in a crossover regime, and a saturation characteristic of a state with screened local moments at low temperature. The difference in experimentally observable magnetic properties is caused by the shift of the susceptibility to higher temperatures in the α-phase compared to the γ-phase, due to the larger hybridization between localized 4f-states and conductive spd-electrons.
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