Helimagnon Bands as Universal Excitations of Chiral Magnets

@inproceedings{Janoschek2010HelimagnonBA,
  title={Helimagnon Bands as Universal Excitations of Chiral Magnets},
  author={Marc Janoschek and F. U. Bernlochner and Sarah Ruth Dunsiger and Christian Pfleiderer and Peter Boni and Bertrand Roessli and Pascal Link and Achim Rosch},
  year={2010}
}
MnSi is a cubic compound with small magnetic anisotropy, which stabilizes a helimagnetic spin spiral that reduces to a ferromagnetic and antiferromagnetic state in the long- and short-wavelength limit, respectively. We report a comprehensive inelastic neutron scattering study of the collective magnetic excitations in the helimagnetic state of MnSi. In our study we observe a rich variety of seemingly anomalous excitation spectra, as measured in well over twenty different locations in reciprocal… CONTINUE READING

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