Title: Magnetisation Dynamics in the Normal and Superconducting Phases of UPd2Al3 I -Surveys in Reciprocal Space Using Neutron Inelastic Scattering
Authors: HIESS A.BERNHOEFT N.METOKI N.LANDER GerardROESSLI B.SATO N.ASO N.HAGA Y.KOIKE Y.KOMATSUBARA T.ONUKI Y.
Citation: JOURNAL OF PHYSICS-CONDENSED MATTER vol. 18 p. R437-R451
Publisher: INSTITUTE OF PHYSICS
Publication Year: 2006
JRC N°: JRC34230
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC34230
Type: Articles in Journals
Abstract: 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.
JRC Institute:Institute for Transuranium Elements

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