Simple quantum model for correlations in random one-dimensional Heisenberg antiferromagnets

Hans De Raedt, Ad Lagendijk

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Using a simple quantum model we calculate static correlations for the random S = ½ Heisenberg antiferromagnets. The correlations decay exponentially with distance. In addition the second moment of a two-spin correlation function was evaluated. No agreement with experiment could be obtained when we tried to extract the correlation time of this correlation function from its second moment.
Original languageEnglish
Number of pages4
JournalPhysical Review B
Issue number1
Publication statusPublished - 1981

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