Shot noise by quantum scattering in chaotic cavities

URN to cite this document:: urn:nbn:de:bvb:355-epub-80922
DOI to cite this document:: 10.5283/epub.8092

Oberholzer, Stefan ; Sukhorukov, Eugene V. ; Strunk, Christoph ; Schönenberger, Christian

; Heinzel, T. ; Holland, M.

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Date of publication of this fulltext: 05 Aug 2009 13:58

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Abstract

We have experimentally studied shot noise of chaotic cavities defined by two quantum point contacts in series. The cavity noise is determined as (1/4)2e[1] in agreement with theory and can be well distinguished from other contributions to noise generated at the contacts. Subsequently, we have found that cavity noise decreases if one of the contacts is further opened and reaches neatly zero for a ...