Interference of parametrically driven one-dimensional ultracold gases
arXiv:1009.4223 · doi:10.1103/PhysRevA.83.013628
Abstract
We theoretically analyze interference patterns of parametrically driven one dimensional ultracold atomic gases. By modulating the interaction strength periodically in time, we propose to excite collective modes in a pair of independent one dimensional gases at energies corresponding to the drive frequency. The excited collective modes lead to spatial oscillations in the correlations of the interference pattern, which can be analyzed to obtain the sound velocity of the collective modes. We discuss both bosonic and fermionic systems, and how such experiments could be used to probe spin charge separation.
9 pages, 5 figures
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- Dynamical Stability of a Many-body Kapitza Pendulum
- Dynamic freezing of strongly correlated ultracold bosons
- Parametric instability in periodically driven Luttinger liquids
- Non-equilibrium Floquet steady states of time-periodic driven Luttinger liquids
- Time evolution during and after finite-time quantum quenches in Luttinger liquids
- Parametric amplification of magnetoplasmons in semiconductor quantum dots