V2EX polariton

Polariton

定义 Definition

极化激元:在固体或光学结构中,由光子(电磁场)物质的集体激发(如激子、声子等)强耦合后形成的准粒子。常见类型包括激子-极化激元(exciton-polariton)声子-极化激元(phonon-polariton)。在微腔、半导体与二维材料光学中很常见。

发音 Pronunciation (IPA)

/plrtn/

例句 Examples

Polariton effects can be observed in certain semiconductor microcavities.
在某些半导体微腔中可以观察到极化激元效应。

By tuning the cavity resonance, researchers can control polariton dispersion and study collective quantum behavior.
通过调节腔体共振,研究人员可以控制极化激元的色散关系,并研究其集体量子行为。

词源 Etymology

polariton 源自 **polar-**(与“极化”有关)+ -iton(物理学中常用于表示“准粒子/激发”的后缀,类似 phonon 声子、exciton 激子)。该词用于强调这种激发具有“光物质混合态”的特征,并与介质的极化响应密切相关。

相关词 Related Words

文学与经典著作 Literary Works

  • Quantum Theory of the Optical and Electronic Properties of Semiconductors(Haug & Koch)
  • Microcavities(Yamamoto, Tassone, Cao 等相关教材/专著版本)
  • Excitons(K. Cho 编;多卷论文集/专著中频繁讨论 exciton-polariton)
  • Principles of Condensed Matter Physics(Chaikin & Lubensky;涉及相关的集体激发与耦合概念)
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