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Time resolved scattering relaxation mechanisms of microcavity polaritons

机译:微腔极化子的时间分辨散射弛豫机理

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摘要

We study the polariton relaxation dynamics for different scattering mechanisms as: Phonon and electron scattering procesess. The relaxation polariton is obtained at very short times by solving the Boltzman equation. Instead of the well-known relaxation process by phonons, we show that the bottleneck effect relaxes to the ground state more efficiently at low pump power intensity when the electron relaxation process is included. In this way, we clearly demonstrate that different relaxation times exist, for which any of these two mechanism is more efficient to relax the polariton population to the ground state.
机译:我们研究了不同散射机制的极化子弛豫动力学,如:声子和电子散射过程。通过求解玻尔兹曼方程,可以在很短的时间内获得弛豫极化子。代替声子的众所周知的弛豫过程,我们表明当包括电子弛豫过程时,瓶颈效应在低泵浦功率强度下更有效地弛豫到基态。这样,我们清楚地证明了存在不同的弛豫时间,对于这两种机制,这两种机制中的任何一种都可以更有效地将极化子种群弛豫为基态。

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