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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Verlet list ： ウィキペディア英語版 Verlet list A Verlet list (named after Loup Verlet) is a data structure in molecular dynamics simulations to efficiently maintain a list of all particles within a given cut-off distance of each other. This method may easily be applied to Monte Carlo simulations. For short-range interactions, a cut-off radius is typically used, beyond which particle interactions are considered "close enough" to zero to be safely ignored. For each particle, a Verlet list is constructed that lists all other particles within the potential cut-off distance, plus some extra distance so that the list may be used for several consecutive Monte Carlo "sweeps" before being updated. If we wish to use the same Verlet list n times before updating, then the cut-off distance for inclusion in the Verlet list should be $R\_c\; +\; 2nd$, where $R\_c$ is the cut-off distance of the potential, and $d$ is the maximum Monte Carlo step of a single particle. Thus, we will spend of order $N^2$ time to compute the Verlet lists ($N$ is the total number of particles), but are rewarded with $n$ Monte Carlo "sweeps" of order $Nn^2$ (instead of $NN$). Optimizing our choice of $n$, it can be shown that the $O(N^2)$ problem of Monte Carlo sweeps has been converted to an $O(N^)$ problem by using Verlet lists. Using cell lists to identify the nearest neighbors in $O(N)$ further reduces the computational cost. ==See also== *Cell lists *Verlet integration *Fast multipole method *Molecular mechanics *Software for molecular mechanics modeling 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Verlet list」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.