Exchange interaction and scattering of light with reversal of the hole angular momentum at an acceptor in quantum-well structures
Exchange interaction and scattering of light with reversal of the hole angular momentum at an acceptor in quantum-well structures
复制标题
量子阱结构中受体处空穴角动量反转的交换相互作用和光散射
DOI：
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发表时间：
1992
期刊：
影响因子：
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通讯作者：
D. Mathon
中科院分区：
文献类型：
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作者：
E. Ivchenko;D. Mathon
对于半导体或半导体异质结构，发展了束缚于受主的空穴与激子中空穴的交换相互作用理论。导出了交换相互作用算符的表达式，它不仅描述了空穴角动量相互反转的过程，而且描述了一个空穴的角动量反转而另一个空穴的极化保持不变的过程。该理论被用来分析在p型GaAs/AlGaAs量子阱结构中观察到的空穴在受主处的角动量反转的光散射机制。阐明了偏振特性与散射的斯托克斯和反斯托克斯分量强度之比之间的关系
A theory of the exchange interaction of a hole bound to an acceptor with a hole in an exciton is developed for a semiconductor or a semiconductor heterostructure. An expression is derived for the exchange interaction operator which describes not only processes with mutual reversal of the hole angular momenta, but also a process in which the angular momentum of one hole is reversed whereas the polarization of the other hole remains the same. The theory is used to analyze the scattering mechanisms of light with a reversal of the angular momentum of a hole at an acceptor observed in p-type GaAs/AlGaAs quantum-well structures. The relationship between the polarization properties and the ratio of the intensities of the Stokes and anti-Stokes components of the scattering is clarified