This topical review presents results from neutron inelastic scattering
experiments on single crystals of UPd2Al3. The focus is on the experimental
situation, while the sequel paper advances theoretical perspectives. We present a
detailed and complete characterization of thewavevector- and energy-dependent
magnetization dynamics in UPd2Al3 as measured by neutron inelastic scattering
primarily in the form of extensive surveys in energy–momentum space under a
wide range of experimental conditions, and put our observations in context with
data that has been published previously by two independent groups. In this
way we emphasize the robustness of the results, which indicate the intricate
nature of the dynamic magnetic susceptibility of this material. This study
yields unique insight into the low-temperature ground state, which exhibits a
microscopic coexistence of antiferromagnetism and superconductivity, making
UPd2Al3 one of the most accessible heavy-fermion superconductors that can be
fully characterized by neutron spectroscopy.
HIESS A.;
BERNHOEFT N.;
METOKI N.;
LANDER Gerard;
ROESSLI B.;
SATO N.;
ASO N.;
HAGA Y.;
KOIKE Y.;
KOMATSUBARA T.;
ONUKI Y.;
2006-08-16
INSTITUTE OF PHYSICS
JRC34230
https://publications.jrc.ec.europa.eu/repository/handle/JRC34230,
10.1088/0953-8984/18/27/R01,
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