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HgTe/CdHgTe double quantum well with a spectrum of bilayer graphene and peculiarities of its magnetotransport |
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| Authors: | M. V. Yakunin S. S. Krishtopenko S. M. Podgornykh M. R. Popov V. N. Neverov N. N. Mikhailov S. A. Dvoretsky |
| Affiliation: | 1.Mikheev Institute of Metal Physics, Ural Branch,Russian Academy of Sciences,Yekaterinburg,Russia;2.Institute of Natural Sciences,Ural Federal University,Yekaterinburg,Russia;3.Institute of Physics of Microstructures,Russian Academy of Sciences,Afonino, Nizhny Novgorod region,Russia;4.Rzhanov Institute of Semiconductor Physics, Siberian Branch,Russian Academy of Sciences,Novosibirsk,Russia |
| Abstract: | Free expansion of Bose–Einstein condensates of rubidium atoms at finite temperatures has been analyzed experimentally and theoretically. It has been shown that the interaction between condensed and noncondensed atoms is manifested most clearly by a decrease in the density of atoms in the center of the expanding cloud as compared to the theoretical prediction for a pure condensate. |
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