V2EX quantum-mechanics

Quantum Mechanics

定义 Definition

量子力学:研究微观尺度(如原子、电子、光子)物质与能量行为的物理学理论体系,强调能量量子化、波粒二象性、测量概率性等特征。(也常作形容词用:quantum-mechanical

发音 Pronunciation (IPA)

/kwntm mknks/(美)
/kwntm mknks/(英)

例句 Examples

Quantum mechanics explains how electrons behave in atoms.
量子力学解释电子在原子中的行为方式。

Although counterintuitive, quantum mechanics underpins modern technologies such as semiconductors and MRI by describing matter at extremely small scales.
尽管违背直觉,量子力学通过描述极微尺度的物质行为,支撑了半导体与核磁共振成像等现代技术。

词源 Etymology

Quantum 源自拉丁语 quantum(“多少、数量”),在物理学里指“量子”(能量等以最小单位出现的概念);mechanics 源自希腊语 mēkhanikē(“机械的技艺/技术”),在科学语境中指“力学/运动规律”。合起来,“quantum mechanics”即“研究量子尺度运动与规律的力学/理论”。

相关词 Related Words

文学与著作中的出现 Literary Works

  • Richard P. Feynman, Robert B. Leighton, Matthew Sands The Feynman Lectures on Physics, Vol. III(系统讲解量子力学的经典教材)
  • David J. Griffiths Introduction to Quantum Mechanics(入门教材,广泛使用)
  • Stephen Hawking A Brief History of Time(以科普方式提及量子力学与现代宇宙观)
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