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Are transport anomalies in "electron waveguides" classical?

Roukes, M. L. and Scherer, A. and van der Gaag, B. P. (1990) Are transport anomalies in "electron waveguides" classical? Physical Review Letters, 64 (10). pp. 1154-1158. ISSN 0031-899X. doi:10.1103/PhysRevLett.64.1154.

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We test the implicit prediction of a recent classical model that transport anomalies in ballistic multiprobe conductors—the last plateau, quenching, and the negative bend resistance—should scale with Fermi momentum, pF. Data from junctions defined by adiabatic lateral potentials (having corners with radii of curvature rJ>ħ/pF) qualitatively scale classically; departures observed are attributed to momentum-memory loss from random scattering. With more abrupt (square-cornered) junctions, however, nonclassical pF dependence emerges.

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Roukes, M. L.0000-0002-2916-6026
Additional Information:© 1990 The American Physical Society Received 27 November 1989 We thank S.J. Allen, Jr., H.U. Baranger, C.W.J. Beenakker, M. Büttiker, A. Del Vescovo, G. Kirczenow, F.M. Peeters, T.J. Thornton, and J.M. Worlock for illuminating discussions.
Issue or Number:10
Record Number:CaltechAUTHORS:ROUprl90a
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Deposited On:30 Oct 2006
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