Quantum Transport through a Tonks-Girardeau Gas

Year: 2009

Authors: Palzer S., Zipkes C., Sias C., Köhl M.

Autors Affiliation: Cavendish Laboratory, University of Cambridge, JJ Thompson Avenue, Cambridge CB3 0HE, United Kingdom

Abstract: 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 nonequilibrium 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.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 103 (15)      Pages from: 150601  to: 150601

More Information: We are grateful to D. Gangardt, C. Kollath, B. Simons, and W. Zwerger for discussions and the workshop of the Cavendish Laboratory, M. Goodrick, and T. Stoferle for support. We acknowledge support from EPSRC (EP/F016379/1) and the Herchel Smith Fund (C. S.).
DOI: 10.1103/PhysRevLett.103.150601

Citations: 177
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