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000860335 245__ $$aDetermination of monopole current clusters in four-dimensional quantum electrodynamics
000860335 260__ $$aSingapore [u.a.]$$bWorld Scientific$$c1993
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000860335 520__ $$aMagnetic monopole currents are believed to have a strong impact on the Monte Carlo dynamics of compact quantum electrodynamics near the phase transition. We have indications that updating algorithms have to form and to break up monopole current clusters in order to force the tunneling of the system between the coexisting phases, the confined phase and the Coulomb phase. This might be responsible for long lived metastabilities in the time series.We present parallel numerical algorithms which allow the fast identification of clusters of monopole loops, the determination of their topological properties as well as their visualization in the course of a Monte Carlo simulation. The algorithms are implemented on the Connection Machine CM-5. We compare the data parallel programming style with a message passing approach. Complexity and performance are discussed.
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000860335 773__ $$0PERI:(DE-600)2006526-7$$a10.1142/S0129183193000951$$gVol. 04, no. 06, p. 1205 - 1219$$n06$$p1205 - 1219$$tInternational journal of modern physics / C Computational physics and physical computation C$$v04$$x1793-6586$$y1993
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