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The effects of the symmetric and antisymmetric anisotropies on the dynamics of the spin- XY chain

✍ Scribed by O. Derzhko; T. Verkholyak; T. Krokhmalskii; H. Büttner


Book ID
108239144
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
144 KB
Volume
378-380
Category
Article
ISSN
0921-4526

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We investigate the Hamiltonian dynamics of two low-dimensional quantum spin systems in a random ÿeld, at the inÿnite-temperature limit: the XY chain and the two-leg XY ladder with interchain Ising interactions. We determine the longitudinal spin autocorrelation functions of the spin-1 2 XY chain and