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On a soluble model of an antiferromagnetic chain with Dzyaloshinsky interactions. II

✍ Scribed by Th.J. Siskens; H.W. Capel

Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
645 KB
Volume
79
Category
Article
ISSN
0378-4371

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✦ Synopsis

Synopsis

Time-dependent properties of the one-dimensional XY model with Dzyaloshinsky interactions in the presence of a magnetic field in the z direction are investigated. Explicit expressions are derived for the time correlation functions of the z components of two spins and the time autocorrelation function of M: (= the z component of the magnetization). The ergodJc behaviour of M: in the thermodynamic limit is discussed in some detail. Furthermore an exact expression is derived for the time dependence of the average of M: in a typical nonequilibrium situation. Finally the frequency-dependent susceptibility is evaluated.

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