Experimental evidence for kaplan-shekhtman-entin-wohlman-aharony interactions in Ba2CuGe2O7

A. Zheludev, S. Maslov, I. Tsukada, I. Zaliznyak, L. P. Regnault, T. Masuda, K. Uchinokura, R. Erwin, G. Shirane

Research output: Contribution to journalArticlepeer-review

Abstract

New neutron diffraction and inelastic neutron scattering experiments on Ba2CuGe2O7 suggest that the previously suggested model for the magnetism of this material (an ideal sinusoidal spin spiral, stabilized by isotropic exchange and Dzyaloshinskii-Moriya interactions) needs to be refined. Both new and previously published experimental results can be quantitatively explained by taking into account the Kaplan-Shekhtman-Entin-Wohlman-Aharony term, a special anisotropy term that was predicted to always accompany Dzyaloshinskii-Moriya interactions in insulators.

Original languageEnglish (US)
Pages (from-to)5410-5413
Number of pages4
JournalPhysical review letters
Volume81
Issue number24
DOIs
StatePublished - 1998
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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