Triplet spin resonance of the Haldane magnet Pb Ni2 V2 O8 with interchain coupling

A. I. Smirnov, V. N. Glazkov, T. Kashiwagi, S. Kimura, M. Hagiwara, K. Kindo, A. Ya Shapiro, L. N. Demianets

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

Spin resonance of the triplet excitations is studied experimentally in the Haldane magnet Pb Ni2 V2 O8. The absorption spectrum has features of spin S=1 resonance in a crystal field, with all three components, ±1 0 and -1 1, being observable. The resonance field is temperature dependent, indicating the renormalization of excitation spectrum in the interaction between the triplets. Magnetic resonance frequencies and critical fields of the magnetization are consistent with a boson version of the macroscopic field theory while they contradict the fermion version and the previously used approach of noninteracting spin chains.

Original languageEnglish
Article number100401
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume77
Issue number10
DOIs
Publication statusPublished - 2008 Mar 6
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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