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Knight Shift Anomalies in Heavy Electron Materials

Eunsik Kim·M. S. Makivik·D. L. Cox
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Abstract

We calculate non-linear Knight Shift $K$ vs. susceptibility $χ$ anomalies for Ce ions possessing local moments in metals. The ions are modeled with the Anderson Hamiltonian and studied within the non-crossing approximation (NCA). The $K-vs.- χ$ non-linearity diminishes with decreasing Kondo temperature $T_0$ and nuclear spin- local moment separation. Treating the Ce ions as an incoherent array in CeSn$_3$, we find excellent agreement with the observed Sn $K(T)$ data.

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Eunsik Kim, M. S. Makivik, D. L. Cox. 1994-12-01. Knight Shift Anomalies in Heavy Electron Materials. https://doi.org/10.1103/physrevlett.75.2015

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