V2EX residual strong force

Residual Strong Force

定义 Definition

residual strong force 指“剩余强相互作用”,也常译为核力:它是强相互作用在强子(如质子、中子)之间“残留出来”的一部分,主要负责把原子核中的核子束缚在一起。严格说,夸克之间的“基本强相互作用”由胶子传递;而核子之间的吸引/排斥是其在复合粒子层面上的有效作用。

发音 Pronunciation (IPA)

/rzdul str frs/

例句 Examples

The residual strong force holds protons and neutrons together in the nucleus.
剩余强相互作用把质子和中子束缚在原子核中。

Although the fundamental strong interaction binds quarks, the residual strong force between nucleons can be modeled by meson exchange in low-energy nuclear physics.
虽然基本强相互作用束缚夸克,但在低能核物理中,核子之间的剩余强相互作用常可用“介子交换”模型来描述。

词源 Etymology

residual 来自拉丁语 residuus(“剩下的、残余的”),强调这是“不是最根本层面、而是留下来的有效作用”;strong force 指“强相互作用/强力”。合在一起表达:强相互作用在核子这种复合粒子之间呈现出来的“残余版本”(类似分子间范德华力是电磁作用的“残余效应”这一类比)。

相关词 Related Words

文学与著作 Literary Works

  • Introduction to Nuclear Physics(Harald A. Enge):在核力与核结构的讨论中常以“residual strong force/interaction”解释核子间束缚来源。
  • Modern Particle Physics(Mark Thomson):讲解强相互作用与QCD,并区分“基本强相互作用”与核子间的“残余相互作用”。
  • Introduction to Elementary Particles(David J. Griffiths):在强相互作用与强子层级有效力的说明里常提到“residual”概念来帮助理解核力。
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