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Number of results
2010 | 118 | 5 | 953-955

Article title

Dynamical Structure Factors of Quasi-One-Dimensional Magnets of the Type of CsNiF_3

Content

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Languages of publication

EN

Abstracts

EN
By a direct derivation of the equations of motion for the spins in CsNiF_3 we show that the extensively used sine-Gordon equation fails to describe the dynamics of this 1D magnet. Instead of this soliton-bearing model we use the spin-wave theory and, without going to the continuum approximation, calculate the dynamic structure factors of the scattering of neutrons on CsNiF_3. Complete analytical solutions for the dynamic structure factors in the frequency domain are obtained both within the classical consideration and with quantum corrections.

Keywords

Contributors

author
  • Department of Physics, Faculty of Electrical Engineering and Informatics, Technical University of Košice, Park Komenského 2, 042 00 Košice, Slovakia
author
  • Department of Physics, Faculty of Electrical Engineering and Informatics, Technical University of Košice, Park Komenského 2, 042 00 Košice, Slovakia

References

  • 1. M. Orendáč, A. Orendáčová, E. Čižmár, J.-H. Park, A. Feher, S.J. Gamble, S. Gabáni, K. Flachbart, J. Karadamoglou, M. Poirier, M.W. Meisel, Phys. Rev. B 69, 184403 (2004)
  • 2. J.P. Nguenang, T.C. Kofane, Chaos Solitons Fractals 30, 552 (2006)
  • 3. J. Beula, M. Daniel, Physica D 239, 397 (2010)
  • 4. H.J. Mikeska, J. Phys. C, Solid State Phys. 11, L29 (1978)
  • 5. V.G. Makhankov, Soliton Phenomenology, Kluwer, Dordrecht 1992
  • 6. G. Reiter, Phys. Rev. Lett. 46, 202 (1981)
  • 7. J. Karadamoglou, N. Papanicolaou, Phys. Rev. B 63, 224406 (2001)
  • 8. M. Steiner, K. Kakurai, W. Knop, R. Pynn, J.K. Kjems, Solid State Commun. 41, 329 (1982)

Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.bwnjournal-article-appv118n5097kz
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