Phys. Rev. B 49, 7778–7781 (1994)Transition from Sharvin to Drude resistance in high-mobility wiresReceived 30 November 1993; published in the issue dated 15 March 1994 The resistance of a wire is calculated from the ballistic up to the diffusive transport regime through a semiclassical transmission approach. A formula is derived which describes the transition from the Shravin resistance to the Drude resistance when the mean free path becomes comparable to the wire length. The exact expression differs less than 2.5% from an interpolation formula which simply adds the two resistances. Good agreement with a recent experiment by Tarucha et al. is obtained. © 1994 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.49.7778
DOI:
10.1103/PhysRevB.49.7778
PACS:
72.10.Bg, 73.40.Cg, 73.61.Ey
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