V2EX soliton

Soliton

释义 Definition

孤子:一种在非线性介质中传播时能够长期保持形状、速度稳定的孤立波,即使与其他波相互作用后也能“穿过”并基本恢复原状。常见于流体、光纤通信、等离子体与凝聚态物理等领域。(该词在不同学科中也可有更具体的技术定义。)

发音 Pronunciation

/sltn/

例句 Examples

A soliton can travel long distances without changing its shape.
孤子可以在很长距离内传播而不改变形状。

In nonlinear optics, solitons arise when dispersion is balanced by nonlinearity, enabling stable pulses in fiber cables.
在非线性光学中,当色散与非线性效应相互平衡时会产生孤子,使光纤中的脉冲保持稳定。

词源 Etymology

solitonsolitary(孤立的) + 表示粒子/实体的后缀 -on 构成,强调它像“一个独立的波包/波粒”那样稳定存在。该术语在 20 世纪中期的非线性波研究中被推广,用来指代具有“粒子式”相互作用特征的孤立波解。

相关词 Related Words

文学与名著中的用例 Literary Works

  • Norman J. Zabusky & Martin D. Kruskal (1965), Interaction of “Solitons” in a Collisionless Plasma and the Recurrence of Initial States(经典论文,推动“soliton/孤子”一词的定型与传播)
  • P. G. Drazin & R. S. Johnson, Solitons: An Introduction(专著,系统介绍孤子理论与应用)
  • Mark J. Ablowitz & Harvey Segur, Solitons and the Inverse Scattering Transform(专著,逆散射方法与孤子理论代表作)
  • Roger K. Dodd et al., Solitons and Nonlinear Wave Equations(专著,非线性波方程与孤子解的经典教材)
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