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Direct measurement of the transmission matrix of a mesoscopic conductor

Shepard, K. L. and Roukes, M. L. and Van der Gaag, B. P. (1992) Direct measurement of the transmission matrix of a mesoscopic conductor. Physical Review Letters, 68 (17). pp. 2660-2663. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:SHEprl92

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Abstract

We have developed an experimental approach which permits evaluation of the entire transmission matrix of a mesoscopic conductor. Results are presented from two new investigations enabled by this technique: (a) We study ballistic multiprobe conductors in the limit of weak probe coupling, and (b) we image modal features in the distribution function of electrons emerging from a quantum point contact.


Item Type:Article
Additional Information:©1992 The American Physical Society Received 31 December 1991 We thank A. Scherer for assistance. M.L.R. acknowledges helpful discussions with M. Büttiker during initial phases of this work (1988). K.L.S. gratefully acknowledges support from the Hertz Foundation and the NSF through Grant No. EID87-11693.
Record Number:CaltechAUTHORS:SHEprl92
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:SHEprl92
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.68.2660
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:6527
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:12 Dec 2006
Last Modified:18 Sep 2014 18:11

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