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Two-component Bose-Hubbard model with higher-angular-momentum states
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Two-component Bose-Hubbard model with higher-angul ...
Bibliographic description
| title: | Two-component Bose-Hubbard model with higher-angular-momentum states |
| author: | Pietraszewicz Joanna, Sowiński Tomasz, Brewczyk Mirosław, Zakrzewski Jakub  , Lewenstein Maciej, Gajda Mariusz
|
| Journal title: | Physical Review. A, Atomic, Molecular, and Optical Physics |
| volume: | 85 |
| issue: | 5 |
| date of publication: | 2012 |
| article ID: | 053638 |
| ISSN: |
1050-2947 |
| eISSN: |
1094-1622 1538-4446 |
| DOI: | |
| language: | English |
| Journal language: | English |
| abstract in english: | Bose-Hubbard Hamiltonian of cold two-component Bose gas of spinor chromium atoms is studied. Dipolar interactions of magnetic moments while tuned resonantly by an ultralow magnetic field can lead to a transfer of atoms from the ground to excited Wannier states with a nonvanishing angular orbital momentum. Hence we propose the way of creating Px+iPy orbital superfluid. The spin introduces an additional degree of control and leads to a variety of different stable phases of the system. The Mott insulator of atoms in a superposition of the ground and vortex Wannier states as well as a superposition of the Mott insulator with orbital superfluid are predicted. |
| affiliation: | Wydział Lekarski : Zakład Histologii, Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego |
| type: | journal article |
| subtype: | academic paper |
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