Laser assisted tunneling in a Tonks-Girardeau gas
| Autor: | Lelas, K., Drpić, N., Dubček, T., Jukić, D., Pezer, R., Buljan, H. |
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| Rok vydání: | 2016 |
| Předmět: | |
| Zdroj: | New J. Phys. 18 (2016) 095002 |
| Druh dokumentu: | Working Paper |
| DOI: | 10.1088/1367-2630/18/9/095002 |
| Popis: | We investigate the applicability of laser assisted tunneling in a strongly interacting one-dimensional Bose gas (the Tonks-Girardeau gas) in optical lattices. We find that the stroboscopic dynamics of the Tonks-Girardeau gas in a continuous Wannier-Stark-ladder potential, supplemented with laser assisted tunneling, effectively realizes the ground state of one-dimensional hard-core bosons in a discrete lattice with nontrivial hopping phases. We compare observables that are affected by the interactions, such as the momentum distribution, natural orbitals and their occupancies, in the time-dependent continuous system, to those of the ground state of the discrete system. Stroboscopically, we find an excellent agreement, indicating that laser assisted tunneling is a viable technique for realizing novel ground states and phases with hard-core one-dimensional Bose gases. Comment: 17 pages, 5 figures |
| Databáze: | arXiv |
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