Total current blockade in an ultracold dipolar quantum wire.

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

doi:10.1103/PhysRevLett.110.085303

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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Abstract

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 language	English
Article number	085303
Journal	Physical Review Letters
Volume	110
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.110.085303
Publication status	Published - 2013

Subject classification (UKÄ)

Physical Sciences
Condensed Matter Physics (including Material Physics, Nano Physics)

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10.1103/PhysRevLett.110.085303

Kristinsdottir2013

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AU - Schlagheck, P

AU - Wacker, Andreas

AU - Reimann, Stephanie

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AB - 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.

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Total current blockade in an ultracold dipolar quantum wire.

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