Phys. Rev. B 74, 125309 (2006) [5 pages]
Conductance reduction without shot noise in quantum wires
Abstract
References (23)
Citing Articles
Received 9 May 2006; published 15 September 2006
We show that a noiseless current is possible in quantum wires with conductance e2/h. This unusual behavior is found for ultrathin quantum wires where interactions render the conduction electrons effectively impenetrable. The current is carried by electrons of both spin directions. We study charge and spin transport through such a wire when coupled to bulk leads in two exactly solvable limits: a large applied bias and fast spin relaxation.
©2006 The American Physical Society
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