Blockspin Scheme and Cluster Algorithm for Quantum Spin Systems
He-Ping Ying, Uwe-Jens Wiese
Abstract
We present a numerical study using a cluster algorithm for the 1-d S=1/2 quantum Heisenberg models. The dynamical critical exponent for anti-ferromagnetic chains is z=0.0(1) such that critical slowing down is eliminated.
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