Mott-insulator-like Bose-Einstein condensation in a tight-binding system of interacting bosons with a flat band
We propose a class of tight-binding systems of interacting bosons with a flat band, which are exactly solvable in the sense that one can explicitly write down the unique ground state. The ground state is expressed in terms of local creation operators and apparently resembles that of a Mott insulator...
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| Principais autores: | , , , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
American Physical Society
2021-08-01
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| Serier: | Physical Review Research |
| Online adgang: | http://doi.org/10.1103/PhysRevResearch.3.033190 |
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