Adaptive optimization of wave functions for fermion lattice models

Beccaria, Matteo and Moro, Antonio (2001) Adaptive optimization of wave functions for fermion lattice models. Physical Review D (PRD), 64. 077502. ISSN 2470-0010

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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.

Item Type: Article
Subjects: F300 Physics
Department: Faculties > Engineering and Environment > Architecture and Built Environment
Depositing User: Antonio Moro
Date Deposited: 11 Sep 2017 11:34
Last Modified: 12 Oct 2019 20:42

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