Quantum transport through a Tonks-Girardeau gas

Details Quantum transport through a Tonks-Girardeau gas Quantum transport through a Tonks-Girardeau gas

2009-03-27

arxiv.org/abs/0903.4823v2

Phys. Rev. Lett. 103, 150601 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1103/PhysRevLett.103.150601

We investigate the propagation of spin impurity atoms through a strongly interacting one-dimensional Bose gas. The initially well localized impurities are accelerated by a constant force, very much analogous to electrons subject to a bias voltage, and propagate as a one-dimensional impurity spin wave packet. We follow the motion of the impurities in situ and characterize the interaction induced dynamics. We observe a very complex non-equilibrium dynamics, including the emergence of large density fluctuations in the remaining Bose gas, and multiple scattering events leading to dissipation of the impurity's motion.

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