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Transport properties of a mesoscopic metallic loop connected to leads

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Abstract.

We study the transport properties of a metallic ring threaded by a magnetic flux varying linearly in time \(\Phi_M(t) = \Phi t\) with a constriction and connected to two external particle reservoirs. This setup contains as limiting cases the experimental arrangements used to define Kubo and Landauer conductances. We employ a formalism based in Baym-Kadanoff-Keldysh non-equilibrium Green functions to calculate the conductance of the system and the dissipated power. We compare the transport behavior in different limits of the geometrical configuration.

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Authors and Affiliations

  1. Scuola Internazionale Superiore di Studi Avanzati (SISSA) , Istituto Nazionale per la Fisica della Materia (INFM) (Unitá di Ricerca Trieste-SISSA), Via Beirut n. 4, 34013, Trieste, Italy

    L. Arrachea

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  1. L. Arrachea
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Correspondence to L. Arrachea.

Additional information

Received: 19 September 2003, Published online: 8 December 2003

PACS:

72.10.Bg General formulation of transport theory - 73.40.Jn Metal-to-metal contacts - 73.40.Gk Tunneling

L. Arrachea: Permanent address: Departamento de Física, Universidad de Buenos Aires, Ciudad Universitaria Pabellón I, (1428) Buenos Aires, Argentina

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Arrachea, L. Transport properties of a mesoscopic metallic loop connected to leads. Eur. Phys. J. B 36, 253–262 (2003). https://doi.org/10.1140/epjb/e2003-00342-9

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  • DOI: https://doi.org/10.1140/epjb/e2003-00342-9

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