V2EX quantum-field-theory

Quantum Field Theory

Definition / 定义

量子场论:现代物理学的基础理论框架之一,把“粒子”理解为各种量子场的激发(量子),用来同时描述量子力学狭义相对论下的物质与相互作用;在高能物理与粒子物理中尤为核心。常见应用包括解释电磁相互作用(量子电动力学,QED)以及粒子物理的标准模型。(在不同语境下也可指其具体分支或方法体系。)

Pronunciation / 发音

/kwn.tm fild θi..ri/ (AmE 常见)

Examples / 例句

Quantum field theory explains particles as excitations of fields.
量子场论把粒子解释为场的激发。

Although quantum field theory is mathematically demanding, it gives remarkably accurate predictions in particle physics.
尽管量子场论在数学上要求很高,但它在粒子物理中能给出惊人精确的预测。

Etymology / 词源

quantum 来自拉丁语 quantum(“多少、数量”),在物理史上被用来指“最小的离散量”(量子);field(场)源自日常“场地”的概念,在物理中发展为“在空间与时间中分布的物理量”;theory 来自希腊语 theōria(观察、思考),指系统性的理论解释。三合成后,“quantum field theory”字面即“关于量子化的场的理论”。

Related Words / 相关词汇

Literary Works / 文学作品

  • Steven Weinberg, The Quantum Theory of Fields(系统阐述量子场论的经典三卷本)
  • Michael E. Peskin & Daniel V. Schroeder, An Introduction to Quantum Field Theory(常用教材,覆盖核心方法)
  • Richard P. Feynman, QED: The Strange Theory of Light and Matter(面向大众讲解 QED 与量子场论思想)
  • Roger Penrose, The Road to Reality(在更广阔的理论物理框架中讨论量子场论)
  • Anthony Zee, Quantum Field Theory in a Nutshell(以直观方式串联量子场论概念与技巧)
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