Rydberg Series of Dark Excitons in Cu2O

We demonstrate the Rydberg series of dark excitons, known as paraexcitons, up to the principal quantum number n = 6 for the yellow exciton series in Cu2O, using second harmonic generation. Each of these states is optically inactive to all orders, but their observation becomes possible by application...

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Veröffentlicht in:	Physical review letters 2020-11, Vol.125 (20), Article 207402
Hauptverfasser:	Farenbruch, Andreas, Frohlich, Dietmar, Yakovlev, Dmitri R., Bayer, Manfred
Format:	Artikel
Sprache:	eng
Schlagworte:	Copper oxides Electrons Excitons Holes (electron deficiencies) Physical Sciences Physics Physics, Multidisciplinary Quadrupoles Rydberg series Science & Technology Second harmonic generation
Online-Zugang:	Volltext
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