V2EX quantum interference

Quantum Interference

释义 / Definition

量子干涉:指量子态(如粒子波函数)的概率幅在叠加时发生相长或相消,从而使某些结果更可能出现、某些结果被抑制的现象。常见于双缝实验、干涉仪、量子计算与量子纠缠相关实验等情境。

发音 / Pronunciation (IPA)

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例句 / Examples

Quantum interference can create bright and dark fringes in a double-slit experiment.
量子干涉会在双缝实验中形成明暗相间的条纹。

By carefully controlling the phase of the wavefunction, researchers can enhance quantum interference to increase the probability of a desired measurement outcome.
通过精确控制波函数的相位,研究人员可以增强量子干涉,从而提高获得特定测量结果的概率。

词源 / Etymology

quantum 源自拉丁语 quantum(“多少、量”),在物理学中指“离散的量、量子”;interference 来自拉丁语词根 inter-(“在……之间”)与 ferire(“打击、撞击”)相关的演变,表示“互作用而产生影响”。合在一起,quantum interference 直观表达“量子层面的(波动)叠加影响”,即概率幅的相长/相消效应。

相关词 / Related Words

文学与名著用例 / Notable Works

  • Richard P. Feynman, Robert B. Leighton, Matthew Sands The Feynman Lectures on Physics(常以双缝实验阐释干涉与量子规律)
  • Richard P. Feynman, Albert R. Hibbs Quantum Mechanics and Path Integrals(以路径积分语言解释干涉)
  • David J. Griffiths Introduction to Quantum Mechanics(教材中系统讨论干涉与叠加)
  • Jim Al-Khalili Quantum: A Guide for the Perplexed(科普中讲解量子干涉的直观意义)
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