Evidence of quantum hall gap collapse caused by tilted magnetic field in photoluminescence spectra of a GaAs/AlGaAs triple quantum well - Pusep, Yuri A; Santos, Lara Fernandes dos; Barbosa, Brenno; Gusev, Guennadii Michailovich; Ludwig, J.; Smirnov, Dmitry; Bakarov, Ashat (International Conference on the Physics of Semiconductors - ICPS, 2014)