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cond-mat1998
Dynamics of transverse correlations in the spin-1/2 isotropic XY chain with a correlated Lorentzian disorder
Oleg Derzhko, Taras Krokhmalskii
Using a numerical approach we examine the dynamics of correlations for the spin- isotropic XY chain with random Lorentzian intersite coupling and transverse field at…
cond-mat.stat-mech1998
Transverse dynamics of spin-1/2 XX chain with correlated Lorentzian disorder
O. Derzhko, T. Krokhmalskii
Using numerical approach developed recently we obtained the transverse dynamic structure factor for the spin-1/2 transverse XX chain with correlated Lorentzian disorder.
cond-mat.stat-mech1998
Dynamic properties of spin-1/2 XY chains
Oleg Derzhko, Taras Krokhmalskii
We have considered a numerical scheme for the calculation of the equilibrium properties of spin-1/2 XY chains. Within its frames it is necessary to solve in the last resort only th…