Spin-orbit fluctuations in frustrated heavy-fermion metal liv2 O4

K. Tomiyasu, K. Iwasa, H. Ueda, S. Niitaka, H. Takagi, S. Ohira-Kawamura, T. Kikuchi, Y. Inamura, K. Nakajima, K. Yamada

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Spin fluctuations were studied over a wide momentum (Q) and energy (E) space in the frustrated d-electron heavy-fermion metal LiV2O4 by time-of-flight inelastic neutron scattering. We observed the overall Q-E evolutions near the characteristic Q=0.6Å-1 peak and found another weak broad magnetic peak around 2.4Å-1. The data are described by a simple response function, a partially delocalized magnetic form factor, and antiferromagnetic short-range spatial correlations, indicating that heavy-fermion formation is attributable to spin-orbit fluctuations with orbital hybridization.

Original languageEnglish
Article number236402
JournalPhysical review letters
Volume113
Issue number23
DOIs
Publication statusPublished - 2014 Dec 4

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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