Charged excitons in the fractional quantum Hall regime

G. Yusa, H. Shtrikman, I. Bar-Joseph

Research output: Contribution to journalArticlepeer-review

120 Citations (Scopus)


The photoluminescence spectrum of a low density two-dimensional electron gas at high magnetic fields and low temperatures was studied. The spectrum in the fractional quantum Hall regime could be studied in terms of singlet and triplet charged excitons. It was shown that the spectral lines were sensitive probes for the electron compressibility. The dark triplet charged exciton was identified and was shown that it was visible at T<2 K.

Original languageEnglish
Article number216402
Pages (from-to)2164021-2164024
Number of pages4
JournalPhysical Review Letters
Issue number21
Publication statusPublished - 2001 Nov 19


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