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The adiabatic transport and the ohmic transport of quantum point contacts in series

✍ Scribed by Qi Jiang; Shun-qing Shen; Ruibao Tao


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
328 KB
Volume
152
Category
Article
ISSN
0375-9601

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Thermal Transport in the Quantum Regime
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It was recently predicted that phonon (or heat) transport through quasi-one-dimensional structures should exhibit a universal conductance quantum in the ballistic regime. Analogously to the quantum of electrical conductance (s ΒΌ e 2 =h), the quantum of thermal conductance is independent of material

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✍ F. Liefrink; A.J. Scholten; C. Dekker; R. Eppenga; H. van Houten; C.T. Foxon πŸ“‚ Article πŸ“… 1991 πŸ› Elsevier Science 🌐 English βš– 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