Continued-fraction formalism applied to the spin-1/2 XYZ model
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Abstract
In this paper, we evaluate the correlation functions of the spin-1/2 XYZ model for some particular cases by using the Mori continued-fraction formalism. The results are exactly the same as those well-known ones. This removes any doubt about the convergence of the continued fraction recently raised by some authors. © 1991 The American Physical Society.
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Physical Review B, v. 43, n. 16, p. 13653-13655, 1991.
