Unbounded fluctuations in transport through an integrable cavity

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We derive a semiclassical scheme for the conductance through a rectangular cavity. The transmission amplitudes are expressed as a sum over families of trajectories rather than a sum over isolated trajectories. The contributing families are obtained from the evaluation of a finite number of continued fractions. We find that, contrary to the chaotic case, the conductance fluctuations increase with the incoming energy and the correlation function exhibits a singularity at the origin.
9 pages + 3 figures, accepted for Eur. Phys. J. B

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/28843

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9812046
 http://arxiv.org/abs/cond-mat/9812046

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arXiv