Moskalenko, S.A.; Liberman, M.A.; Snoke, D.W.; Dumanov, E.V. - In: The European Physical Journal B - Condensed Matter and … 85 (2012) 10, pp. 1-14
The collective elementary excitations of two-dimensional magnetoexcitons in a Bose-Einstein condensate (BEC) with wave vector <Emphasis Type="Bold">k = 0 were investigated in the framework of the Bogoliubov theory of quasiaverages. The Hamiltonian of the electrons and holes lying in the lowest Landau levels (LLLs)...</emphasis>