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Transport in dimerized and frustrated spin systems

We analyze the Drude weight for both spin and thermal transport of one-dimensional spin-1/2 systems by means of exact diagonalization at finite temperatures. While the Drude weights are non-zero for finite systems, we find indications of a vanishing of the Drude weights in the thermodynamic limit for non-integrable models implying normal transport behavior.

preprint2004arXivOpen access
F. Heidrich-MeisnerA. HoneckerD. C. CabraW. Brenig
cond-mat.stat-mechcond-mat.str-el
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Open access4 authors2 topics
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Citations: 0Reviews: 0Saves: 0Code: not linkedDataset: not linkedInstitutions: 0

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F. Heidrich-MeisnerA. HoneckerD. C. CabraW. Brenig

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