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Electron–hole states in the fractional quantum Hall regime probed by photoluminescence |
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| Authors: | Shintaro Nomura Masumi Yamaguchi Tatsushi Akazaki Hiroyuki Tamura Hideaki Takayanagi Yoshiro Hirayama |
| Affiliation: | aInstitute of Physics, University of Tsukuba 1-1-1 Tennoudai, Tsukuba 305-8571, Japan;bNTT Basic Research Laboratories, 3-1 Morinosato-Wakamiya, Atsugi-shi, 243-0198, Japan;cCREST, JST, 4-1-8 Hon-cho, Kawaguchi, 332-0012, Japan;dSORST, JST, 4-1-8 Hon-cho, Kawaguchi, 332-0012, Japan |
| Abstract: | The electron–hole states in the fractional quantum Hall regime is investigated with a back-gated undoped quantum well by photoluminesccence in magnetic fields. The evolution of the photoluminescence spectra is discussed depending on the electron density. We find anomalies of the photoluminescence at the integer as well as the fractional filling factors. |
| Keywords: | Quantum Hall effect Quantum well Magneto-photoluminescence |
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