Total current blockade in an ultracold dipolar quantum wire.

Liney Halla Kristinsdottir, Olov Karlström, Johannes Bjerlin, Jonas Cremon, P Schlagheck, Andreas Wacker, Stephanie Reimann

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Cold-atom systems offer a great potential for the future design of new mesoscopic quantum systems with properties that are fundamentally different from semiconductor nanostructures. Here, we investigate the quantum-gas analogue of a quantum wire and find a new scenario for the quantum transport: Attractive interactions may lead to a complete suppression of current in the low-bias range, a total current blockade. We demonstrate this effect for the example of ultracold quantum gases with dipolar interactions.
Original languageEnglish
Article number085303
JournalPhysical Review Letters
Issue number8
Publication statusPublished - 2013

Subject classification (UKÄ)

  • Physical Sciences
  • Condensed Matter Physics


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