Spin chirality induced by the Dzyaloshinskii-Moriya interaction and the polarized neutron scattering

Details Spin chirality induced by the Dzyaloshinskii-Moriya interaction and the polarized neutron scattering Spin chirality induced by the Dzyaloshinskii-Moriya interaction and the polarized neutron scattering

2000-04-17

arxiv.org/abs/cond-mat/0004272v2

Phys.Rev.B 62, R751 (2000)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, REVTEX, no figures, references added, to appear in PRB

Scientific paper

10.1103/PhysRevB.62.R751

We discuss the influence of the Dzyaloshinskii-Moriya (DM) interaction in the Heizenberg spin chain model for the observables in the polarized neutron scattering experiments. We show that different choices of the parameters of DM interaction may leave the spectrum of the problem unchanged, while the observable spin-spin correlation functions may differ qualitatively. Particularly, for the uniform DM interaction one has the incommensurate fluctuations and polarization-dependent neutron scattering in the paramagnetic phase. We sketch the possible generalization of our treatment to higher dimensions.

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