Abstract
An inelastic neutron scattering study of the 1-D-ferromagnet CsNiF3 in a magnetic field yields strong evidence for the existence of thermally activated solitons for 14 K ≥ T ≥ 5 K and 2 kG ≤ H ≤ 36 kG. Comparing the experimental data with a classical continuum-soliton theory developed by Mikeska for this particular system very good agreement was found, e.g. the activation energy was found experimentally as 28 K and theoretically as 34 K.
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References
H.J. Mikeska: J. Phys. C 11, L 29 (1978)
J.A. Krummhansl, J.R. Schrieffer: Phys. Rev. B 11, 3535 (1975)
N. Gupta, B. Sutherland: Phys. Rev. A 14, 1790 (1976)
R.A. Guyer, M.D. Miller: Phys. Rev. A 17, 1205 (1978)
J.F. Currie, M.B. Fogl, F.L. Palmer: Phys. Rev. A 16, 796 (1977)
M. Steiner, J. Villain, C. Windsor: Adv. Phys. 25, 87 (1976) and references therein
M. Steiner, J.K. Kjems: J. Phys. C 10, 2665 (1977)
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Steiner, M., Kjems, J.K. (1978). Solitons in CsNiF3: Their Experimental Evidence and Their Thermodynamics. In: Bishop, A.R., Schneider, T. (eds) Solitons and Condensed Matter Physics. Springer Series in Solid-State Sciences, vol 8. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-81291-0_21
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DOI: https://doi.org/10.1007/978-3-642-81291-0_21
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