Knight Shift Anomalies in Heavy Electron Materials

Details Knight Shift Anomalies in Heavy Electron Materials Knight Shift Anomalies in Heavy Electron Materials

1994-12-01

arxiv.org/abs/cond-mat/9412008v1

Physics

Condensed Matter

4 pages, Revtex, 3 figures available upon request from eunsik@pacific.mps.ohio-state.edu

Scientific paper

10.1103/PhysRevLett.75.2015

We calculate non-linear Knight Shift $K$ vs. susceptibility $\chi$ 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 $K-vs.- \chi$ 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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