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Experimental Test of the High-Frequency Quantum Shot Noise Theory in a Quantum Point Contact

✍ Scribed by Zakka-Bajjani, E.; Ségala, J.; Portier, F.; Roche, P.; Glattli, D. C.; Cavanna, A.; Jin, Y.

Book ID
120817748
Publisher
The American Physical Society
Year
2007
Tongue
English
Weight
266 KB
Volume
99
Category
Article
ISSN
0031-9007

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Low-frequency noise of quantum point con
Low-frequency noise of quantum point contacts in the ballistic and quantum Hall regime
✍ F. Liefrink; A.J. Scholten; C. Dekker; R. Eppenga; H. van Houten; C.T. Foxon 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 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