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原文連結
論文資訊
- 類型：已發表論文
- 日期：2021-04-06
摘要
A classical α − XY inertial model, consisting of N two-component rotators and characterized by interactions decaying with the distance rij as 1/rαij (α ≥ 0) is studied through first-principle molecular-dynamics simulations on d - dimensional lattices of linear size L (N ≡ Ld and d = 1, 2, 3). The limits α = 0 and α → ∞ correspond to infinite-range and nearest-neighbor interactions, respectively, whereas the ratio α/d > 1 (0 ≤ α/d ≤ 1) is associated with short-range (long-range) interactions. By analyzing the time 演化 of the kinetic temperature T (t) in the long-range-interaction regime, one finds a quasi-stationary state (QSS) characterized by a temperature TQSS; for fixed N and after a sufficiently long time, a crossover to a second plateau occurs, corresponding to the Boltzmann-Gibbs temp
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