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Computation of Dynamical Structure Factors with the Recursion Method

A Fledderjohann·M Karbach·K-H Mütter·P Wielath
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Abstract

We compute the energies and transition probabilities for low excitations in the one dimensional antiferromagnetic spin-1/2 Heisenberg model by means of the recursion method. We analyse finite size effects in the euclidian time ($τ$)-representation and compare the resulting estimate for the thermodynamical limit with two parametrizations for the dynamical structure factors in the spectral ($ω$)-representation.

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A Fledderjohann, M Karbach, K-H Mütter, P Wielath. 1995-07-17. Computation of Dynamical Structure Factors with the Recursion Method. https://doi.org/10.1088/0953-8984%2F7%2F47%2F018

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