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American Physical Society, Physical Review Letters, 7(79), p. 1173-1177, 1997

DOI: 10.1103/physrevlett.79.1173

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Stochastic Gradient Approximation: An Efficient Method to Optimize Many-Body Wave Functions

Journal article published in 1997 by A. Harju ORCID, B. Barbiellini, S. Siljamäki, S. Siljamaeki, Risto M. Nieminen, G. Ortiz
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A novel, efficient optimization method for physical problems is presented. The method utilizes the noise inherent in stochastic functions. As an application, an algorithm for the variational optimization of quantum many-body wave functions is derived. The numerical results indicate superior performance when compared to traditional techniques. ; Peer reviewed