Polarization of hot photoluminescence in GaAs/AlAs superlattices - Sapega, V. F.; Perel’, V. I.; Dobin, A. Yu.; Mirlin, D. N.; Akimov, I. A.; Ruf, T.; Cardona, M.; Eberl, K. (Springer, 1996)
http://dx.doi.org/10.1134/1.567019
Keywords: U