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Excitonic Polaritons in ZnAs_2

机译:ZnAs_2中的激子极化子

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摘要

The allowed exciton transitions n = 1,2,3 were revealed in the reflection spectra of ZnAs_2 monocrystals at 10 K. Transverse and longitudinal exciton energies, longitudinal splitting value, translation and reduced exciton masses, electron and hole effective masses were revealed from fitting of the exciton spectra. Absorption spectra and absorption interference were studied for E ‖ c and E ⊥ c polarizations for thin samples. The polariton branches of exciton polaritons were calculated from the experimental results.
机译:ZnAs_2单晶在10 K时的反射光谱中显示了允许的激子跃迁n = 1,2,3。通过拟合,揭示了横向和纵向激子能量,纵向分裂值,平移和降低的激子质量,电子和空穴有效质量。激子光谱。研究了薄样品的E c c和E⊥c极化的吸收光谱和吸收干扰。由实验结果计算出激子极化子的极化子分支。

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