| Issue |
Europhys. Lett.
Volume 39, Number 3, July I 1997
|
|
|---|---|---|
| Page(s) | 299 - 304 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1997-00351-x | |
| Published online | 01 September 2002 | |
Dephasing in a quantum dot due to coupling with a quantum point contact
Weizmann Institute of Science - 76100 Rehovot, Israel
Received:
14
February
1997
Accepted:
19
June
1997
We consider the dephasing of an one-electron state in a quantum dot
due to charge fluctuations in a biased quantum point contact
coupled to the dot capacitively.
The contribution to the dephasing rate due to the bias depends
on temperature and bias in the same way as shot-noise
in the point contact at zero
frequency, but do not follow the 
suppression.
PACS: 73.23.-b – Mesoscopic systems / 72.10.-d – Theory of electronic transport; scattering mechanisms
© EDP Sciences, 1997
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