point of zero velocity 中文意思是什麼
point of zero velocity
解釋
零速點-
When the intensity of the laser field is weak, the velocity dependence of the average longitudinal force has the doppler shifted lorenztian resonance. at high intensities, there is a kink and change direction of the light pressure force near the point of zero velocity, the effects of the higher order harmonic light pressure forces become significant
當激光場強度比較弱時,作用在原子上的力為洛侖茲型,隨著激光強度的增加,依賴于速度的零階力在零速度附近方向發生了反轉,出現了扭結現象。
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