V2EX gyrofrequency

Gyrofrequency

Definition|释义

回旋频率(陀螺频率):在磁场中运动的带电粒子(如电子、离子)因洛伦兹力做圆周/螺旋“回旋”运动时的特征频率;在等离子体物理中常与 cyclotron frequency(回旋/回旋加速器频率) 近义使用。(有时也指角频率形式。)

Pronunciation|发音(IPA)

/darofrikwnsi/

Examples|例句

The gyrofrequency increases with magnetic field strength.
回旋频率会随着磁场强度增加而升高。

When the wave frequency approaches the electron gyrofrequency, strong resonance and energy absorption can occur in the plasma.
当波的频率接近电子回旋频率时,等离子体中可能发生强烈的共振与能量吸收。

Etymology|词源

gyro- 来自希腊语 gyros,意为“圆、环、旋转”;frequency 表示“频率”。合起来字面意思就是“旋转的频率”,在物理语境中特指带电粒子在磁场中回旋运动的频率。

Related Words|相关词汇

In Literature|文学与著作中的用例

  • Waves in Plasmas(Thomas H. Stix)讨论等离子体波与(电子/离子)回旋频率附近的共振现象。
  • Introduction to Plasma Physics and Controlled Fusion(Francis F. Chen)在基础等离子体参数与回旋运动章节中使用该术语。
  • Principles of Plasma Physics(N. A. Krall & A. W. Trivelpiece)涉及回旋频率与波传播、稳定性等主题。
  • The Physics of Plasmas(T. J. M. Boyd & J. J. Sanderson)用于描述磁化等离子体中的粒子运动与特征频率。
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