Comment on ‘‘Phase transtition of an exciton system in GaAs coupled quantum wells’’ and on ‘‘Fermi-Dirac distribution of excitons in coupled quantum wells’’

A Comment on the Letters by Fukuzawa, Mendez, Hong, and Kash et al. [Phys. Rev. Lett. 66, 2247 (1991) and Phys. Rev. Lett. 64, 3066 (1990)].

DOI:https://doi.org/10.1103/PhysRevLett.69.993

Fachbereich Physik und Wissenschaft Zentrum für Materialwissenschaften, Philipps Universität Marburg, Renthof 5, W-3550 Marburg, Federal Republic of Germany

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Physical Review Letters