V2EX many-body

Many-body

释义 Definition

“many-body” 指“多体的 / 多粒子体系的”,常用于物理学(尤其是量子力学、凝聚态物理与统计物理)中,描述由许多相互作用的粒子(如电子、原子)组成的系统及其问题(many-body problem,多体问题)。

发音 Pronunciation (IPA)

/mnibdi/

例句 Examples

Many-body interactions make the system hard to predict.
多体相互作用使这个系统难以预测。

The paper proposes a new method to simulate many-body quantum dynamics in strongly correlated materials.
这篇论文提出了一种新方法,用于模拟强关联材料中的多体量子动力学。

词源 Etymology

“many-body” 由 many(许多)+ body(在物理语境中可指“粒子/个体/系统中的一个体”)组合而成,是 20 世纪物理学发展中逐渐固定的术语搭配,用来强调“不是两体或少数体”,而是大量粒子相互作用所带来的复杂性。(也可见作 many-body system / many-body physics 等。)

相关词 Related Words

文学与作品 Literary Works

  • 《Feynman Lectures on Physics》(Richard P. Feynman 等):在讨论凝聚态与统计物理相关主题时常出现多体/多粒子体系的表述。
  • 《Statistical Mechanics》(R. K. Pathria, Paul D. Beale):涉及多体系统与相互作用对宏观性质的影响。
  • 《Quantum Theory of Many-Particle Systems》(Alexander L. Fetter, John Dirk Walecka):书名即包含 many-particle(与 many-body 高度相关),系统讨论多体量子理论。
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