Random Walk Beyond Hartree-Fock

Details Random Walk Beyond Hartree-Fock Random Walk Beyond Hartree-Fock

2000-01-15

arxiv.org/abs/cond-mat/0001216v1

Physics

Condensed Matter

Strongly Correlated Electrons

Revtex file with 4 eps figures. To appear in Computer Physics Communications

Scientific paper

10.1016/S0010-4655(99)00528-7

We give a brief discussion of the recently developed Constrained-Path Monte Carlo Method. This method is a quantum Monte Carlo technique that eliminates the fermion sign problem plaguing simulations of systems of interacting electrons. The elimination is accomplished by trading an exact procedure for an approximate one that has been demonstrated to give very accurate estimates of energies and many-body correlation functions. We also give a short review of its applications, a discussion of several strategies for parallelizing it, and some speculation of its future extensions.

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