Abstract
We have performed a partially self-consistent, first-principles calculation of the hyperfine field at a μ+ at the octahedral interstitial site in ferromagnetic nickel. Using a package of programs made available by the Department of Theoretical Chemistry of the University of Mexico, various calculations were performed of the spin-dependent charge density in the central region of a spherically averaged superposition of atomic charge densities. In this way it was found that: (1) The electronic configuration of bulk Ni contains a significant amount of 4p-states, in agreement with other calculations1. (2) The μ+ produces only a weak perturbation on its nearest-neighbor Ni atoms. (3) The hyperfine field at the μ+ is opposite to the bulk magnetization and has the value −590 G, in good agreement with the measured2 value of −641 G.
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Patterson, B.D., Keller, J. A cluster calculation of the muon hyperfine field in nickel. Hyperfine Interact 6, 73–76 (1979). https://doi.org/10.1007/BF01028771
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DOI: https://doi.org/10.1007/BF01028771