Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23792
Title: Shot noise in a quantum dot coupled to non-magnetic leads : effects of Coulomb interaction
Authors: Ouyang, S
Lam, C 
You, JQ
Issue Date: 2008
Publisher: Springer
Source: European physical journal. B, Condensed matter and complex systems, 2008, v. 64, no. 1, p. 67-72 How to cite?
Journal: European physical journal. B, Condensed matter and complex systems 
Abstract: We study electron transport through a quantum dot, connected to non-magnetic leads, in a magnetic field. A super-Poissonian electron noise due to the effects of both interacting localized states and dynamic channel blockade is found when the Coulomb blockade is partially lifted. This is sharp contrast to the sub-Poissonian shot noise found in the previous studies for a large bias voltage, where the Coulomb blockade is completely lifted. Moreover, we show that the super-Poissonian shot noise can be suppressed by applying an electron spin resonance (ESR) driving field. For a sufficiently strong ESR driving field strength, the super-Poissonian shot noise will change to be sub-Poissonian.
URI: http://hdl.handle.net/10397/23792
ISSN: 1434-6028
EISSN: 1434-6036
DOI: 10.1140/epjb/e2008-00272-0
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