Orbital Dynamics of the 4f Shell in DyB2C2

U. Staub, A. M. Mulders, O. Zaharko, S. Janssen, T. Nakamura, S. W. Lovesey

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11 Citations (Scopus)


For the first time, fluctuations in the Dy quadrupole (orbital) moment have been observed in DyB2C2 using inelastic neutron scattering. The observed quasielastic response is decomposed into two components, one reflecting transitions within the doublets (narrow) and the other transitions between the doublets (broad) of the effective Dy quartet ground state. The widths of the narrow and broad components are shown to arise from fluctuations in the magnetic dipole and the electric quadrupole moments, respectively.

Original languageEnglish
Article number036408
JournalPhysical Review Letters
Issue number3
Publication statusPublished - 2005 Jan 28


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