Published April 27, 1992 | Version Published
Journal Article Open

Direct measurement of the transmission matrix of a mesoscopic conductor

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.

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.

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Identifiers

Eprint ID
6527
Resolver ID
CaltechAUTHORS:SHEprl92

Funding

Fannie and John Hertz Foundation
NSF
EID87-11693

Dates

Created
2006-12-12
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Updated
2021-11-08
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