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NONINVASIVE MEASUREMENT OF THE INTRINSIC QUANTUM HALL-EFFECT

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UNSPECIFIED (1994) NONINVASIVE MEASUREMENT OF THE INTRINSIC QUANTUM HALL-EFFECT. PHYSICAL REVIEW LETTERS, 72 (23). pp. 3698-3701.

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Abstract

With a model calculation, we demonstrate that a noninvasive measurement of the intrinsic quantum Hall effect defined by the local chemical potential in a ballistic quantum wire can be achieved with the aid of a pair of voltage leads which are separated by potential barriers from the wire. Buttiker's formula is used to determine the chemical potential being measured and is shown to reduce exactly to the local chemical potential in the limit of strong potential confinement in the voltage leads. Conditions for quantization of Hall resistance and measuring local chemical potential are given.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Journal or Publication Title: PHYSICAL REVIEW LETTERS
Publisher: AMERICAN PHYSICAL SOC
ISSN: 0031-9007
Official Date: 6 June 1994
Dates:
DateEvent
6 June 1994UNSPECIFIED
Volume: 72
Number: 23
Number of Pages: 4
Page Range: pp. 3698-3701
Publication Status: Published

Data sourced from Thomson Reuters' Web of Knowledge

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