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Israel F. Araujo

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Preprint Oct 2026

Exact Finite-Channel Schur Moments of the Wigner-Smith Matrix with a Tunnel Barrier

We consider the Wigner--Smith time-delay matrix of a chaotic cavity with broken time-reversal symmetry, a finite number $M$ of equivalent open channels, and a uniform tunnel barrier of reflection probability $R$. Exact random-matrix results for nonideal coupling are known at the level of the joint matrix distribution,...

Israel F. Araujo · 0 citations

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