Planck’s constant measurement by Landauer quantization for student laboratories

Damyanov, Desislav S; Pavlova, Iliana N; Ilieva, Simona I; Gourev, Vassil N; Yordanov, Vasil G; Mishonov, Todor M

doi:10.1088/0143-0807/36/5/055047

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DOI

Planck’s constant measurement by Landauer quantization for student laboratories

Damyanov, Desislav S; Pavlova, Iliana N; Ilieva, Simona I; Gourev, Vassil N; Yordanov, Vasil G; Mishonov, Todor M2015

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AbstractAbstract

[en] A simple experimental setup for measuring Planck’s constant, using Landauer quantization of the conductance between touching gold wires, is described. It consists of two gold wires with thickness of

500 μ m

and

1.5 c m

length, and an operational amplifier. The setup costs less than $30 and can be realized in every teaching laboratory in two weeks. The use of an oscilloscope is required. (paper)

Primary Subject

CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS (S71)

Source

Available from http://dx.doi.org/10.1088/0143-0807/36/5/055047; Country of input: International Atomic Energy Agency (IAEA)

Record Type

Journal Article

Journal

European Journal of Physics; ISSN 0143-0807;

; CODEN EJPHD4; v. 36(5); [13 p.]

Country of publication

United Kingdom

Descriptors (DEI)

GOLD, LENGTH, OPERATIONAL AMPLIFIERS, QUANTIZATION, THICKNESS, WIRES

Descriptors (DEC)

AMPLIFIERS, DIMENSIONS, ELECTRONIC EQUIPMENT, ELEMENTS, EQUIPMENT, METALS, TRANSITION ELEMENTS

LanguageLanguage

English

Reference NumberReference Number

51050202

INIS VolumeINIS Volume

INIS IssueINIS Issue

External URLExternal URL

http://dx.doi.org/10.1088/0143-0807/36/5/055047

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