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, 64 (7). 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: Dr Antonio Moro
Date Deposited: 11 Sep 2017 11:34
Last Modified: 31 Jul 2021 18:02

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