Solitons on a discrete ferromagnetic spin chain View Full Text


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Article Info

DATE

1985-03

AUTHORS

C. Etrich, H. J. Mikeska, E. Magyari, H. Thomas, R. Weber

ABSTRACT

Discrete ferromagnetic spin chains with planar single-ion and exchange anisotropy and with an externaldc fieldB applied in the easy plane are considered in the classical limit. We find two different static in-plane kink structures, which are symmetric with respect to a given spin or to a given bond of the chain, respectively. The first structure is unstable against in-plane fluctuations for all applied fields. The second one, on the other hand, exists (independent of the anisotropy parameters) only up to a critical fieldBe and is stable against in-plane fluctuations in its whole domain of existence. Depending on the anisotropy parameters, this latter configuration may, however, become unstable against out-of-plane fluctuations at a critical valueBc More... »

PAGES

97-111

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf01303739

DOI

http://dx.doi.org/10.1007/bf01303739

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1049071417


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