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

Abstract

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.

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

References in corpus (1)

• On the Field-Induced Gap in Cu Benzoate and Other S=1/2 Antiferromagnets

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