V2EX rabi frequency

Rabi Frequency

释义 Definition

Rabi 频率(拉比频率):在量子物理中,描述两能级系统在外加振荡电磁场(如激光或微波)驱动下发生相干跃迁/振荡的速率尺度。常记为 Ω(角频率形式,单位 rad/s),与场强和跃迁偶极矩等耦合强度有关。

发音 Pronunciation (IPA)

/rbi frikwnsi/

例句 Examples

The Rabi frequency increases when the laser power is higher.
当激光功率更高时,拉比频率会增大。

In a driven two-level atom, the population oscillates at the Rabi frequency, while detuning changes the observed oscillation rate.
在受驱动的两能级原子中,粒子数(布居)会以拉比频率发生振荡,而失谐会改变观测到的振荡速率。

词源 Etymology

Rabi 来自物理学家 Isidor Isaac Rabi(伊西多艾萨克拉比) 的姓氏;他在磁共振相关研究中奠定了重要基础。frequency 源自拉丁语 frequentia(意为“频繁、频度”)。合起来指“由拉比相干驱动机制所表征的振荡频率尺度”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Atom-Photon Interactions(Cohen-Tannoudji, Dupont-Roc, Grynberg)
  • Optical Resonance and Two-Level Atoms(Allen & Eberly)
  • Quantum Optics(Scully & Zubairy)
  • The Theory of Coherent Atomic Excitation(B. W. Shore)
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