Probability distributions of transport observables in quantum dots: crossover between universal ensembles

A.M.C. Souza and A.M.S. Macêdo

Physica A: Statistical Mechanics and its Applications, 2004, vol. 344, issue 3, 677-684

Abstract: We study the effect on the probability distributions of the conductance and shot-noise power of breaking time-reversal symmetry in quantum dots with ideal contacts and small number of scattering channels. The distributions were found numerically by employing the Landauer–Büttiker scattering approach and random-matrix theory and are presented as a function of the number of propagating channels and the symmetry breaking parameter. Universal broad distributions are found throughout the crossover region.

Keywords: Quantum dot; Random-matrix theory (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:344:y:2004:i:3:p:677-684

DOI: 10.1016/j.physa.2004.06.051

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