BOBRYSHEVA, A. I.; MOSKALENKO, S. A.; SHMIGLYUK, M. I.; RUSSU, S. S.
(John Wiley & Sons, Inc., 1995)
The renormalization of the energetical spectrum of paraexcitons in the presence of a Bose-Einstein condensate (BEC) of orthoexcitons or at least of their saturation is studied. Due to the conversion of a pair of orthoexcitons ...