Photoluminescence fine structures in the fractional quantum Hall effect regime | Zendy

Shintaro Nomura | Zendy; M. Yamaguchi | Zendy; Hiroyuki Tamura | Zendy; Tatsushi Akazaki | Zendy; Y. Hirayama | Zendy; Marek Korkusiński | Zendy; Paweł Hawrylak | Zendy

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Photoluminescence fine structures in the fractional quantum Hall effect regime

Author(s) -

Shintaro Nomura,

M. Yamaguchi,

Hiroyuki Tamura,

Tatsushi Akazaki,

Y. Hirayama,

Marek Korkusiński,

Paweł Hawrylak

Publication year - 2014

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.89.115317

Subject(s) - physics , zeeman effect , photoluminescence , quantum hall effect , condensed matter physics , fractional quantum hall effect , polarization (electrochemistry) , zeeman energy , spin (aerodynamics) , quantum spin hall effect , quantum mechanics , electron , magnetic field , optics , chemistry , thermodynamics

We investigate polarization-resolved fine structure in the photoluminescence (PL) in the fractional quantum Hall effect regime at B=4-6 T, where small Zeeman energy allows spin-depolarized ground states. We observe up to five distinct peaks with characteristic polarization and temperature dependence in the vicinity of =1/3 and quenching of the PL from triplet charged quasiexcitons at around =1/4. Those findings appear to be consistent with results of exact diagonalization on a Haldane sphere including all spin configurations and are understood to be PL from fractionally charged quasiexcitons.Peer reviewed: YesNRC publication: Ye

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