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

doi:10.1103/PhysRevLett.79.5138

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 Institute for Interdisciplinary Science

Research output: Contribution to journal › Article

22 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 language	English
Pages (from-to)	5138-5141
Number of pages	4
Journal	Physical Review Letters
Volume	79
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.79.5138
Publication status	Published - Jan 1 1997

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ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Els, G., Van Loosdrecht, P. H. M., Lemmens, P., Vonberg, H., Güntherodt, G., Uhrig, G. S., Fujita, O., Akimitsu, J., Dhalenne, G., & Revcolevschi, A. (1997). Observation of three-magnon light scattering in CuGeO_3. Physical Review Letters, 79(25), 5138-5141. https://doi.org/10.1103/PhysRevLett.79.5138

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AU - Van Loosdrecht, P. H.M.

AU - Lemmens, P.

AU - Vonberg, H.

AU - Güntherodt, G.

AU - Uhrig, G. S.

AU - Fujita, O.

AU - Akimitsu, J.

AU - Dhalenne, G.

AU - Revcolevschi, A.

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N2 - 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.

AB - 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.

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10.1103/PhysRevLett.79.5138