Observation of three-magnon light scattering in CuGeO_3

G. Els, P. H.M. Van Loosdrecht, P. Lemmens, H. Vonberg, G. Güntherodt, G. S. Uhrig, O. Fujita, J. Akimitsu, G. Dhalenne, A. Revcolevschi

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

Temperature and magnetic field dependent polarized Brillouin spectra of CuGeO_3 are reported. In addition to a bound singlet state at 30 cm^(-1), a new feature has been observed at 18 cm^(-1). This feature is interpreted in terms of a novel three-magnon light scattering process between excited triplet states.

Original languageEnglish
Pages (from-to)5138-5141
Number of pages4
JournalPhysical Review Letters
Volume79
Issue number25
DOIs
Publication statusPublished - Jan 1 1997
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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