| 半导体中电子-空穴对的相干态、复合辐射和噪声压缩 |
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| 引用本文： | 黄洪斌. 半导体中电子-空穴对的相干态、复合辐射和噪声压缩[J]. 物理学报, 1989, 38(12): 1958-1967 |
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| 作者姓名： | 黄洪斌 |
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| 作者单位： | 东南大学物理化学系 |
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| 摘 要： | 本文讨论了在光的相干激发下,半导体中电子-空穴对的玻色近似和SU(2)相干态的产生,讨论了两种情形下电子-空穴对噪声特性和复合辐射特性,给出了电子-空穴对的二阶相干函数和分布函数,说明了玻色近似相当于SU(2)群到谐振子群的收缩。关键词：
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| 关 键 词： | 半导体 电子－空穴对 相干态 |
| 收稿时间： | 1988-06-17 |
COHERENT STATES, SQUEEZED FLUCTUATION, AND RECOMBINATION RADIATION OF ELETRON-HOLE PAIRS IN SEMICONDUCTOR |
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| HUANG HONG-BIN. COHERENT STATES, SQUEEZED FLUCTUATION, AND RECOMBINATION RADIATION OF ELETRON-HOLE PAIRS IN SEMICONDUCTOR[J]. Acta Physica Sinica, 1989, 38(12): 1958-1967 |
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| Authors: | HUANG HONG-BIN |
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| Abstract: | The production of Bose approximation coherent states and SU(2) coherent states of electron-hole pairs in semiconductor generated by coherent light excitation are discussed. Squeezed fluctuation and recombination radiation of electron-hole pairs are studied for these two cases. The second order coherence and distribution functions of electron-hole pairs are given. It is shown that the Bose approximation corresponds to the contraction of group SU(2) to the harmonic-oscillator group. |
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