arXiv:1306.5157 [cond-mat.mes-hall]AbstractReferencesReviewsResources
Anti-correlation for Conductance Fluctuations in Chaotic Quantum Dots
A. L. R. Barbosa, M. S. Hussein, J. G. G. S. Ramos
Published 2013-06-21Version 1
We investigate the correlation functions of mesoscopic electronic transport in open chaotic quantum dots with finite tunnel barriers in the crossover between Wigner-Dyson ensembles. Using an analytical stub formalism, we show the emergence of a depletion/amplification of conductance fluctuations as a function of tunnel barriers, for both parametric variations of electron energy or magnetoconductance fields. Furthermore, even for pure Dyson ensembles, correlation functions of conductance fluctuations in chaotic quantum dots can exhibit anti-correlation. Experimental support to our findings is pointed out.
Comments: 5 pages, 4 figures. Accepted as Rapid Communication in Phys. Rev. E (2013)
Categories: cond-mat.mes-hall, nlin.CD
Keywords: conductance fluctuations, anti-correlation, open chaotic quantum dots, correlation functions, finite tunnel barriers
Tags: journal article
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