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Superfluidity in a strongly-interacting gas of bosons | | G. M. Kavoulakis
; Y. Yu
; M. Ogren
; S. M. Reimann
; | | Date: |
12 Oct 2005 | | Affiliation: | LTH, Lund | | Abstract: | We consider small systems of bosonic atoms rotating in a toroidal trap. Using the method of exact numerical diagonalization of the many-body Hamiltonian, as well as the mean-field approximation, we examine the transition from the Bose-Einstein condensed state to the Tonks-Girardeau state. In the Tonks-Girardeau limit the system supports persistent currents, even though Bose-Einstein condensation is absent. | | Source: | arXiv, cond-mat/0510315 | | Services: | Forum | Review | PDF | Favorites | |
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