Spectral fluctuations effects on conductance peak height statistics in quantum dots

Details Spectral fluctuations effects on conductance peak height statistics in quantum dots Spectral fluctuations effects on conductance peak height statistics in quantum dots

2002-02-06

arxiv.org/abs/cond-mat/0202098v1

Phys. Rev. B 66, 033308 (2002).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3 pages, 2 figures

Scientific paper

10.1103/PhysRevB.66.033308

Within random matrix theory for quantum dots, both the dot's one-particle eigenlevels and the dot-lead couplings are statistically distributed. While the effect of the latter on the conductance is obvious and has been taken into account in the literature, the statistical distribution of the one-particle eigenlevels is generally replaced by a picket-fence spectrum. Here we take the random matrix theory eigenlevel distribution explicitly into account and observe significant deviations in the conductance distribution and magnetoconductance of closed quantum dots at experimentally relevant temperatures.

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