Issue |
Europhys. Lett.
Volume 69, Number 1, January 2005
|
|
---|---|---|
Page(s) | 116 - 120 | |
Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
DOI | https://doi.org/10.1209/epl/i2004-10309-0 | |
Published online | 08 December 2004 |
Quantum
circuits with charge discreteness:
Normal and anomalous spectrum
Departamento de Física, Universidad de Tarapacá - Casilla 7-D, Arica, Chile
Received:
19
July
2004
Accepted:
29
October
2004
A solvable quantum LC circuit with charge discreteness is
studied. Two discrete spectral branches are obtained: i) the
normal branch corresponding to a charged capacitor with integer
effective charge (qe elementary charge, n
integer) and ii) the anomalous branch where the energy is related
to non-integer effective charge
in the capacitor.
For usual mesoscopics data like quantum point contact we found
.
PACS: 73.23.-b – Electronic transport in mesoscopic systems / 73.63.-b – Electronic transport in nanoscale materials and structures / 73.21.-b – Electron states and collective excitations in multilayers, quantum wells, mesoscopic, and nanoscale systems
© EDP Sciences, 2005
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