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Unbiased Global Optimization of Lennard-Jones Clusters forN≤201Using the Conformational Space Annealing Method

2003/07/29 by Julian Lee, In-Ho Lee, In‐Ho Lee +1 · 7 citations
Materials Science · Physics and Astronomy · #Advanced Chemical Physics Studies #Machine Learning in Materials Science #Nonlinear Optical Materials Research #cond-mat.stat-mech

paper · pdf · doi:10.1103/physrevlett.91.080201

revtex, 4 pages, 2 figures. Physical Review Letters, in press

arxiv created 2003/07/29 · openalex publication_date 2003/08/21 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We apply the conformational space annealing method to the Lennard-Jones clusters and find all known lowest energy configurations up to 201 atoms, without using extra information of the problem such as the structures of the known global energy minima. In addition, the robustness of the algorithm with respect to the randomness of initial conditions of the problem is demonstrated by ten successful independent runs up to 183 atoms. Our results indicate that this method is a general and yet efficient global optimization algorithm applicable to many systems.

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