Reweighting Lefschetz Thimbles
F. Ziegler*, S. Bluecher, J.M. Pawlowski, M. Scherzer, M. Schlosser, I.O. Stamatescu and S. Syrkowski
May 29, 2019
We present a novel reweighting technique to calculate the relative weights in the Lefschetz thimble decomposition of a path integral. Our method is put to work using a $U(1)$ one-link model providing for a suitable testing ground and sharing many features with realistic gauge theories with fermions at finite density. We discuss prospects and future challenges to our method.
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