MOSKALENKO, S. A.; LIBERMAN, M. A.; DUMANOV, E. V.; RUSSU, S. S.; SANDULEAC, I.
(Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2010)
The collective elementary excitations of the two-dimensional magnetoexcitons in a state of Bose-Einstein condensation (BEC) with wave vector k =0 were investigated in terms of the Bogoliubov theory of quasiaverages. The ...