Laser assisted tunneling in a Tonks-Girardeau gas
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 ass...
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| creator | Lelas, K Drpić, N Dubček, T Jukić, D Pezer, R Buljan, H |
| description | 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. |
| doi_str_mv | 10.48550/arxiv.1609.03553 |
| format | Article |
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| subjects | Bosons Gases Ground state Lasers Optical lattices Physics - Quantum Gases Time dependence |
| title | Laser assisted tunneling in a Tonks-Girardeau gas |
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