V2EX heisenberg uncertainty principle

Heisenberg Uncertainty Principle

定义 Definition

海森堡不确定性原理:量子力学中的基本原理,指出某些成对的物理量(最常见的是位置动量)不可能同时被无限精确地测量或确定;当对其中一个量的确定性提高时,另一个量的不确定性必然增大。(也可推广到能量与时间等共轭量)

发音 Pronunciation (IPA)

/haznb nst()nti prnspl/

例句 Examples

The Heisenberg uncertainty principle is a cornerstone of quantum mechanics.
海森堡不确定性原理是量子力学的基石之一。

Even with perfect instruments, the Heisenberg uncertainty principle limits how precisely we can know a particle’s position and momentum at the same time.
即使仪器再完美,海森堡不确定性原理也限制了我们同时精确知道粒子位置与动量的程度。

词源 Etymology

该术语以德国物理学家维尔纳海森堡(Werner Heisenberg)命名,他在1927年提出这一原理。Uncertainty 表示“不可避免的不确定性”,principl 指“基本原理/原则”。在量子语境中,这里的“不确定”不是因为技术不足,而是自然规律在微观层面的内在限制。

相关词 Related Words

文学与著作中的用例 Literary Works

  • The Feynman Lectures on Physics(Richard P. Feynman 等)
  • A Brief History of Time(Stephen Hawking)
  • Quantum: Einstein, Bohr, and the Great Debate about the Nature of Reality(Manjit Kumar)
  • The Principles of Quantum Mechanics(P. A. M. Dirac)
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