Manifestation of  PT  symmetry in the exciton spectra of quantum wells

V. P. Kochereshko; L. V. Kotova; I. S. Khakhalin; R. T. Cox; H. Mariette; R. Andre; H. Bukari; S. V. Ivanov

doi:10.1134/S1063782617120119

Manifestation of PT symmetry in the exciton spectra of quantum wells

Autores: Kochereshko V.¹, Kotova L.¹, Khakhalin I.¹, Cox R.², Mariette H.², Andre R.², Bukari H.², Ivanov S.¹
Afiliações:
1. Ioffe Institute
2. Institut Néel, CNRS/UJF 25
Edição: Volume 51, Nº 12 (2017)
Páginas: 1547-1551
Seção: XXI International Symposium “Nanophysics and Nanoelectronics”, Nizhny Novgorod, March 13–16, 2017
URL: https://journals.rcsi.science/1063-7826/article/view/201974
DOI: https://doi.org/10.1134/S1063782617120119
ID: 201974

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Resumo

The reflection and photoluminescence excitation spectra under circular polarization of the incident light are measured in wide quantum wells whose width is much larger than the exciton Bohr radius. It is found that, in the absence of a magnetic field, the relation between the intensities of even and odd absorption peaks is reversed upon reversal of the sign of circular polarization.