Quantum Transport through a Tonks-Girardeau Gas

Stefan Palzer, Christoph Zipkes, Carlo Sias, and Michael Köhl
Phys. Rev. Lett. 103, 150601 – Published 8 October 2009

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.

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  • Received 27 March 2009

DOI:https://doi.org/10.1103/PhysRevLett.103.150601

©2009 American Physical Society

Authors & Affiliations

Stefan Palzer, Christoph Zipkes, Carlo Sias*, and Michael Köhl

  • Cavendish Laboratory, University of Cambridge, JJ Thompson Avenue, Cambridge CB3 0HE, United Kingdom

  • *cs540@cam.ac.uk

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Vol. 103, Iss. 15 — 9 October 2009

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