New resistivity for high-mobility quantum Hall conductors

P. L. McEuen, A. Szafer, C. A. Richter, B. W. Alphenaar, J. K. Jain, A. D. Stone, R. G. Wheeler, R. N. Sacks

Research output: Contribution to journalArticlepeer-review

214 Scopus citations

Abstract

We present measurements showing dramatic nonlocal behavior in the four-terminal resistances of a high-mobility quantum Hall conductor. These measurements illustrate that the standard definition of the resistivity tensor is inappropriate, but they are in excellent agreement with a new model of the conductor that treats the edge and bulk conducting pathways independently. This model uses a single intensive parameter, analogous to a local resistivity for the bulk channel only, to characterize the system.

Original languageEnglish (US)
Pages (from-to)2062-2065
Number of pages4
JournalPhysical review letters
Volume64
Issue number17
DOIs
StatePublished - 1990

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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