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The Worm Algorithm for the CP(N-1) Model
(2011)The problem of critical slowing down is reviewed and a comprehensive description of how to measure the efficiency of Monte Carlo algorithms in practice is given. Special regard is paid to the O(N) and CP(N-1) models. The dynamic critical exponents of Wolff's single-cluster algorithm are determined on the two-dimensional O(3) and CP(3) models to confirm its efficiency on the former and inefficiency on the latter. The idea of worm ...Student Paper