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原文連結
論文資訊
- 類型：已發表論文
- 日期：2019
摘要
We numerically study the first-principle dynamics and thermostatistics of a d-dimensional classical inertial Heisenberg ferromagnetic model (d=1,2,3) with interactions decaying with the distance rij as 1/rαij (α ≥ 0), where the limit α=0 (α→∞) corresponds to infinite-range (nearest-neighbour) interactions, and the ratio α/d>1(0≤α/d≤1) characterizes the short-ranged (long-ranged) regime. By means of first-principle molecular dynamics we study: (i) The 縮放律 with the system size N of the maximum 李雅普諾夫 exponent λ in the form λ∼N−κ, where κ(α/d) depends only on the ratio α/d; (ii) The time-averaged single-particle angular momenta probability distributions for a typical case in the long-range regime 0 ≤ α/d ≤1(which turns out to be well fitted by q-Gaussians), and (iii) The time-averaged single-p
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