Coherent band excitations in CePd 3 : A comparison of neutron scattering and ab initio theory-Reference-Cited by-同舟云学术

Coherent band excitations in CePd 3 : A comparison of neutron scattering and ab initio theory

Published:2018-01-12 Issue:6372 Volume:359 Page:186-191
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Goremychkin Eugene A.¹^ORCID,Park Hyowon²³^ORCID,Osborn Raymond²^ORCID,Rosenkranz Stephan²^ORCID,Castellan John-Paul²⁴^ORCID,Fanelli Victor R.⁵^ORCID,Christianson Andrew D.⁶,Stone Matthew B.⁶^ORCID,Bauer Eric D.⁷^ORCID,McClellan Kenneth J.⁷^ORCID,Byler Darrin D.⁷^ORCID,Lawrence Jon M.⁷⁸^ORCID

Affiliation:

1. Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, Moscow Region, 141980, Russia.

2. Materials Science Division, Argonne National Laboratory, Argonne, IL 60439-4845, USA.

3. Department of Physics, University of Illinois at Chicago, Chicago, IL 60607, USA.

4. Institute for Solid State Physics, Karlsruhe Institute of Technology, D-76021 Karlsruhe, Germany.

5. Instrument and Source Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.

6. Quantum Condensed Matter Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.

7. Los Alamos National Laboratory, Los Alamos, NM 87545, USA.

8. Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA.

Abstract

Neutrons peek into f-electron bands Neutron scattering can be used to tease out the details of collective magnetic excitations that yield well-defined peaks in the data. In principle, it could also be used to look into single-electron band excitations, but collecting enough data to capture broad distributions of intensity is tricky. Goremychkin et al. used neutron spectrometers that could efficiently capture a large amount of data by rotating the sample, a crystal of the intermediatevalence compound CePd 3 (see the Perspective by Georges). The measured dynamical magnetic susceptibility, in combination with detailed ab initio calculations, showed the formation of coherent f-electron bands at low temperatures. Science , this issue p. 186 ; see also p. 162

Funder

U.S. Department of Energy

Russian Foundation for Basic Research

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference39 articles.

1. Mixed valent metals

2. Valence fluctuation phenomena

3. Two Energy Scales in CePd3

4. Finite-temperature behavior of the Anderson lattice

5. Coherence Scale of the Kondo Lattice

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