Total Current Blockade in an Ultra-Cold Dipolar Quantum Wire

Autor:	Kristinsdóttir, Líney Halla, Karlström, Olov, Bjerlin, Johannes, Cremon, Jonas C., Schlagheck, Peter, Wacker, Andreas, Reimann, Stephanie M.
Rok vydání:	2012
Předmět:	Condensed Matter - Mesoscale and Nanoscale Physics Condensed Matter - Quantum Gases
Zdroj:	Physical Review Letters 110, 085303 (2012)
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevLett.110.085303
Popis:	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, such as quantum dots and quantum wires with electrons. Here, we investigate the analog of a quantum wire using ultra-cold particles, 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 ultra-cold quantum gases with dipolar interactions. Comment: 5 pages, 4 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1204.2966 Zobrazit plný text záznamu View this record from Arxiv