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Numerical evaluation of the partition-function for one-dimensional quantum-systems

DOI to cite this document:
Morgenstern, Ingo ; Würtz, D.
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Date of publication of this fulltext: 23 Aug 2010 12:01


We present a ‘‘numerically exact’’ method to obtain the partition function of one-dimensional quantum systems. The method is suitable for Cray I supercomputers. As an example, for the potential of the method we publish results for random XY and Heisenberg chains.

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