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TT: Fachverband Tiefe Temperaturen

TT 70: Correlated Electrons: General Theory 2

TT 70.6: Vortrag

Freitag, 15. März 2013, 10:45–11:00, H24

Continuous Estimators for CT-HYB — •Pavel Augustinský — University of Augsburg

We present an improved algorithm for measurement of the Green's function in the hybridization-expansion quantum Monte Carlo. The method is based on using continuous rather then discrete delta-function estimators. It fixes drawbacks of the standard approach at low perturbation orders and it can produce high-accuracy data for numerical analytical continuation of the selfenergy.