2013
DOI: 10.1103/physreve.88.052912
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Statistics of quantum transport in weakly nonideal chaotic cavities

Abstract: We consider statistics of electronic transport in chaotic cavities where time-reversal symmetry is broken and one of the leads is weakly nonideal; that is, it contains tunnel barriers characterized by tunneling probabilities Γ(i). Using symmetric function expansions and a generalized Selberg integral, we develop a systematic perturbation theory in 1-Γ(i) valid for an arbitrary number of channels and obtain explicit formulas up to second order for the average and variance of the conductance and for the average … Show more

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Cited by 10 publications
(16 citation statements)
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“…Exact formulas for the eigenvalue distribution of T , valid for arbitrary M , were derived [38,39] (see also [40]) in terms of hypergeometric functions of matrix argument. This theory was then used in [41] to derive finite-M results for transport moments.…”
Section: Introductionmentioning
confidence: 99%
“…Exact formulas for the eigenvalue distribution of T , valid for arbitrary M , were derived [38,39] (see also [40]) in terms of hypergeometric functions of matrix argument. This theory was then used in [41] to derive finite-M results for transport moments.…”
Section: Introductionmentioning
confidence: 99%
“…Esse resultado foi utilizado em [52] por Novaes et. al para se obter os momentos do transporte exatos de uma cavidade caótica com apenas uma guia não-ideal.…”
Section: Cavidades Com Barreira De Tunelamentounclassified
“…Essa expressão é dada por uma série de Taylor em γ, onde γ = 1 − Γ é a probabilidade de reflexão do elétron na barreira, cujos coeficientes são funções racionais do número de canais M e, portanto, contém todas as ordens em 1/M . Uma expressão para os momentos de um sistema com essa mesma configuração foi obtida usando teoria de matrizes aleatórias [52], Eq. (2.36), com a qual o nosso resultado semiclássico concorda até onde foi possível testar computacionalmente.…”
Section: Cavidades Com Barreira De Tunelamentounclassified
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