Optimization of Trial Wave Functions for Hamiltonian Lattice Models

Details Optimization of Trial Wave Functions for Hamiltonian Lattice Models Optimization of Trial Wave Functions for Hamiltonian Lattice Models

1999-12-21

arxiv.org/abs/cond-mat/9912389v1

Phys.Rev. D61 (2000) 114503

Physics

Condensed Matter

Statistical Mechanics

4 pages, 2 PostScript figures

Scientific paper

10.1103/PhysRevD.61.114503

We propose a new Monte Carlo algorithm for the numerical study of general lattice models in Hamiltonian form. The algorithm is based on an initial Ansatz for the ground state wave function depending on a set of free parameters which are dynamically optimized. The method is discussed in details and results are reported from explicit simulations of U(1) lattice gauge theory in 1+1 dimensions.

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