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Conductivity peaks in the quantum Hall regime: Broadening with temperature, current, and frequency

โœ Scribed by D.G. Polyakov; B.I. Shklovskii

Book ID
118366876
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
484 KB
Volume
305
Category
Article
ISSN
0039-6028

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โœ F. Liefrink; A.J. Scholten; C. Dekker; R. Eppenga; H. van Houten; C.T. Foxon ๐Ÿ“‚ Article ๐Ÿ“… 1991 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 263 KB

The low-frequency resistance noise of quantum point contacts is shown to be dominated by fluctuations in the electrostatic potential. Both in the ballistic and in the quantum Hall regime, the noise is strongly suppressed if the conductance is quantized. The suppression is enhanced by a strong magnet