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unige:4204 
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Mesoscopic capacitance oscillations |
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| Authors | ||
| Published in | Nanotechnology. 2007, vol. 18, no. 044029 | |
| Abstract | We examine oscillations as a function of Fermi energy in the capacitance of a mesoscopic cavity connected via a single quantum channel to a metallic contact and capacitively coupled to a back gate. The oscillations depend on the distribution of single levels in the cavity, the interaction strength and the transmission probability through the quantum channel. We use a Hartree-Fock approach to exclude self-interaction. The sample specific capacitance oscillations are in marked contrast to the charge relaxation resistance, which together with the capacitance defines the RC-time, and which for spin polarized electrons is quantized at half a resistance quantum. Both the capacitance oscillations and the quantized charge relaxation resistance are seen in a strikingly clear manner in a recent experiment. | |
| Identifiers | arXiv: cond-mat/0608417 | |
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| Citation (ISO format) | BUTTIKER, Markus, NIGG, Simon. Mesoscopic capacitance oscillations. In: Nanotechnology, 2007, vol. 18, n° 044029. https://archive-ouverte.unige.ch/unige:4204 |
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