V2EX bell inequality

Bell Inequality

定义 Definition

贝尔不等式:量子物理中的一类数学不等式,用来检验“局域隐变量理论”(世界由预先决定的局部信息解释)是否成立。若实验结果违背贝尔不等式,通常被视为支持量子力学中的量子纠缠非经典相关性

发音 Pronunciation (IPA)

/bl nkwlti/

例句 Examples

The experiment violated the Bell inequality.
这个实验违背了贝尔不等式。

By measuring entangled photons, the researchers tested the Bell inequality and found correlations that cannot be explained by local hidden variables.
研究人员通过测量纠缠光子来检验贝尔不等式,并发现这些相关性无法用局域隐变量来解释。

词源 Etymology

“Bell”来自物理学家约翰斯图尔特贝尔(John Stewart Bell),他在1964年提出相关理论结果;“inequality”意为“不等式”。因此“Bell inequality”直译为“贝尔提出的不等式”,专指用于区分经典局域理论与量子预测的一组判据。(不同形式很多,最常见之一是 CHSH 不等式。)

相关词 Related Words

文学与著作 Literary Works

  • John S. Bell, On the Einstein Podolsky Rosen Paradox(1964,论文;提出贝尔定理与贝尔不等式思想)
  • David J. Griffiths, Introduction to Quantum Mechanics(常见量子力学教材中讨论贝尔不等式与纠缠)
  • Roger Penrose, The Road to Reality(通俗与严谨并重的科普著作中涉及贝尔不等式与量子基础)
  • Brian Greene, The Fabric of the Cosmos(科普著作中谈到贝尔不等式实验与量子世界的反直觉性)
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