Current noise through a Kondo quantum dot in a SU(N) Fermi liquid state

Details Current noise through a Kondo quantum dot in a SU(N) Fermi liquid state Current noise through a Kondo quantum dot in a SU(N) Fermi liquid state

2007-09-13

arxiv.org/abs/0709.2089v3

Phys. Rev. Lett. 100, 036604 (2008)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 2 figures, to be published in Phys. Rev. Lett. (revised version)

Scientific paper

10.1103/PhysRevLett.100.036604

The current noise through a mesoscopic quantum dot is calculated and analyzed in the Fermi liquid regime of the SU(N) Kondo model. Results connect the Johnson-Nyquist noise to the shot noise for an arbitrary ratio of voltage and temperature, and show that temperature corrections are sizeable in usual experiments. For the experimentally relevant SU(4) case, quasiparticle interactions are shown to increase the shot noise.

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