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6 papers · 2 filters
Elastic Wave Transmission at an Abrupt Junction in a Thin Plate, with Application to Heat Transport and Vibrations in Mesoscopic Systems
M. C. Cross, Ron Lifshitz
The transmission coefficient for vibrational waves crossing an abrupt junction between two thin elastic plates of different widths is calculated. These calculations are relevant to…
Quantized acoustoelectric current in a finite-length ballistic quantum channel: The noise spectrum
Y. M. Galperin, O. Entin-Wohlman, Y. Levinson
Fluctuations in the acoustoelectric current, induced by a surface acoustic wave propagating along a ballistic quantum channel, are considered. We focus on the large wave-amplitude…
Pumping at resonant transmission and transferred charge quantization
Y. Levinson, O. Entin-Wohlman, P. Wolfle
We consider pumping through a small quantum dot separated from the leads by two point contacts, whose conductances, and , serve as pumping parameters. When the dot i…
Charge occupancy of two interacting electrons on artificial molecules - exact results
A. Aharony, O. Entin-Wohlman, Y. Imry +1
We present exact solutions for two interacting electrons on an artificial atom and on an artificial molecule made by one and two (single level) quantum dots connected by ideal lead…
Dipolar ordering in Fe8?
X. Martinez-Hidalgo, E. M. Chudnovsky, A. Aharony
We show that the low-temperature physics of molecular nanomagnets, contrary to the prevailing one-molecule picture, must be determined by the long-range magnetic ordering due to ma…
Acoustoelectric current and pumping in a ballistic quantum point contact
Y. Levinson, O. Entin-Wohlman, P. Woelfle
The acoustoelectric current induced by a surface acoustic wave (SAW) in a ballistic quantum point contact is considered using a quantum approach. We find that the current is of the…