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hep-lat2019★ 26 cited
Implementation of the HMC algorithm on the tempered Lefschetz thimble method
Masafumi Fukuma, Nobuyuki Matsumoto, Naoya Umeda
The tempered Lefschetz thimble method (TLTM) is a parallel-tempering algorithm towards solving the numerical sign problem, where the system is tempered by the antiholomorphic gradi…
cond-mat.str-el2019
Applying the tempered Lefschetz thimble method to the Hubbard model away from half-filling
Masafumi Fukuma, Nobuyuki Matsumoto, Naoya Umeda
The tempered Lefschetz thimble method is a parallel-tempering algorithm towards solving the numerical sign problem. It uses the flow time of the gradient flow as a tempering parame…