| 光学三稳性临界点的二级相变特征 |
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| 引用本文： | 吴福根 欧发. 光学三稳性临界点的二级相变特征[J]. 量子电子学报, 1997, 14(5): 400-404 |
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| 作者姓名： | 吴福根 欧发 |
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| 作者单位： | 广东工业大学数理系!广州，510090，华南理工大学应用物理系!广州，510641 |
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| 摘 要： | 本文中我们唯象地提出了一个光学非一性系统的动力学模型，阐明了光学三稳系统的临界现象同样可以纳入朗道相变理论的模式，将相变的朗道理论由原来的双稳系统推广到三稳系统，揭示了不同光学非线性系统在临界点附近的共性。
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| 关 键 词： | 非线性光学 光学三稳性 临界现象 相变 |
Optical Tristability Systems and its Second-order-like Transition Charater |
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| Wh Thgu. Optical Tristability Systems and its Second-order-like Transition Charater[J]. Chinese Journal of Quantum Electronics, 1997, 14(5): 400-404 |
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| Authors: | Wh Thgu |
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| Abstract: | In this paper a dynamical equation of optical nonlinear systems is put forwardin a phenomenological way.The critical phenomena of optical tritability,like the opticalbistability,are examined by Landau's theory of mean field of phase transition in equilibriumthermodynamics. And the generality in the neighbourhood of this critical point of thedifferent optical nonlinear systems is also illustrated. |
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| Keywords: | nonlinear optics optical tristability critical phenomena phase transition |
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