2019Journal of Physics Conference SeriesOpen access

Stochastic parallel algorithm of structural evolution of large Morse clusters

А Н Коварцев, Darya A. Popova-Kovartseva

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Abstract

Abstract The formation of large Morse atomic clusters is a complex and time-consuming task, especially when the cluster stiffness equals 14. Currently, optimal cluster conformations are known for sizes up to 240 atoms. The article proposes a parallel stochastic algorithm for the structural evolution of Morse clusters, which makes it possible to find the optimal conformations of large atomic clusters. A significant number of problems associated with the complexity of the task are resolved using the proposed algorithm for optimizing the cluster structure. The results of optimization of Morse clusters for N> 240 are given.

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Abstract The formation of large Morse atomic clusters is a complex and time-consuming task, especially when the cluster stiffness equals 14. Currently, optimal cluster conformations are known for sizes up to 240 atoms. The article proposes a parallel stochastic algorithm for the structural evolution of Morse clusters, which makes it possible to find the optimal conformations of large atomic clusters. A significant number of problems associated with the complexity of the task are resolved using the proposed algorithm for optimizing the cluster structure. The results of optimization of Morse clusters for N> 240 are given.

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Available abstract

Abstract The formation of large Morse atomic clusters is a complex and time-consuming task, especially when the cluster stiffness equals 14. Currently, optimal cluster conformations are known for sizes up to 240 atoms. The article proposes a parallel stochastic algorithm for the structural evolution of Morse clusters, which makes it possible to find the optimal conformations of large atomic clusters. A significant number of problems associated with the complexity of the task are resolved using the proposed algorithm for optimizing the cluster structure. The results of optimization of Morse clusters for N> 240 are given.

Key concepts: Morse code, Cluster (spacecraft), Morse potential, Task (project management), Algorithm, Stiffness, Computer science, Statistical physics

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