Electronic Theory for the Magnetic Anisotropy in Sr 2 RuO 4

Abstract

Using a three-band Hubbard Hamiltonian we calculated within the random-phaseapproximation the spin susceptibility, χ(q, ω), and NMR spin-lattice relaxation rate 1/T1, in the normal state of the triplet superconductor Sr2RuO4, and obtained quantitative agreement with experimental data. Most importantly, we found that because of spin–orbit coupling the out-of… (More)

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