Publication Date:
2011-09-27
Description:
Author(s): Heinz-Jürgen Schmidt, Andre Lohmann, and Johannes Richter We explicitly calculate the moments t n of general Heisenberg Hamiltonians up to eighth order. They have the form of finite sums of products of two factors. The first factor is represented by a (multi-)graph that has to be evaluated for each particular system under consideration. The second factors a... [Phys. Rev. B 84, 104443] Published Mon Sep 26, 2011
Keywords:
Magnetism
Print ISSN:
1098-0121
Electronic ISSN:
1095-3795
Topics:
Physics
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