Transient Susceptibility of Two-Level System Irradiated by Two Monochromatic Radiations
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概要
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It is investigated how a two-level system under the influence of strong monochromatic radiation responses to weak monochromatic radiation in a transient state. The general solution of the equation of motion for the density matrix is obtained within the linear approximation with respect to the ratio of the amplitude of the weak radiation to that of the strong radiation. It is shown that for the frequency difference of the two radiations smaller than the inverse of transverse relaxation time (∣ω-ω'∣T_2<1), the amplitude of the nutation in transient susceptibility to the weaker radiation becomes very large compared with the amplitude in the opposite situation; ∣ω-ω'∣T_2>__∼1. The first peak of this amplitude is proportional to 1/(ω-ω'), where ω' and ω are the frequencies of the weak and strong radiation respectively. Therefore, the transient amplitude of the susceptibility becomes very large as ω'⇾ω as far as the linear approximation is valid. This giant susceptibility is originated in a transient Raman Process.
- 社団法人日本物理学会の論文
- 1971-02-05
著者
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Kano Yutaka
Department Of Applied Physics And Chemistry University Of Electro-communications
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Kano Yutaka
Department Of General Education Nagoya University
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YAMANOI Motoomi
Department of Electrical Engineering, Meijyo University
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Yamanoi Motoomi
Department Of Electrical Engineering Meijyo University
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