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Shot Noise in Ballistic Quantum Dots with a Mixed Classical Phase Space.

Sim, H.-S. and Schomerus, H. (2002) Shot Noise in Ballistic Quantum Dots with a Mixed Classical Phase Space. Physical Review Letters, 89. 066801.

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    Abstract

    We investigate shot noise for quantum dots whose classical phase space consists of both regular and chaotic regions. The noise is systematically suppressed below the universal value of fully chaotic systems, by an amount which varies with the positions of the leads. We analyze the dynamical origin of this effect by a novel way to incorporate diffractive impurity scattering. The dependence of the shot noise on the scattering rate shows that the suppression arises due to the deterministic nature of transport through regular regions and along short chaotic trajectories. Shot noise can be used to probe phase-space structures of quantum dots with generic classical dynamics.

    Item Type: Article
    Journal or Publication Title: Physical Review Letters
    Subjects:
    Departments: Faculty of Science and Technology > Physics
    ID Code: 682
    Deposited By: Dr Henning Schomerus
    Deposited On: 31 Oct 2007
    Refereed?: Yes
    Published?: Published
    Last Modified: 26 Jul 2012 18:18
    Identification Number:
    URI: http://eprints.lancs.ac.uk/id/eprint/682

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