Continuous-time quantum Monte Carlo method for fermions
作者： A. N. Rubtsov , V. V. Savkin , A. I. Lichtenstein
DOI: 10.1103/PHYSREVB.72.035122
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摘要: We present a numerically exact continuous-time quantum Monte Carlo algorithm for fermions with general interaction nonlocal in space-time. The new determinantal grand-canonical scheme is based on stochastic series expansion the partition function representation. method particularly applicable multiband, time-dependent correlations since it does not invoke Hubbard-Stratonovich transformation. test calculations exactly solvable models, as well results Green and susceptibility of multiband supersymmetric model spin-flip are discussed.
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