Adaptive optimization of wave functions for fermion lattice models

Matteo Beccaria, Antonio Moro

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Abstract

We present a simulation algorithm for Hamiltonian fermion lattice models. A guiding trial wave function is adaptively optimized during Monte Carlo evolution. We apply the method to the two dimensional Gross-Neveu model and analyze systematic errors in the study of ground state properties. We show that accurate measurements can be achieved by a proper extrapolation in the algorithm-free parameters.
Original languageEnglish
Article number077502
JournalPhysical Review D
Volume64
Issue number7
DOIs
Publication statusPublished - 5 Sep 2001
Externally publishedYes

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