Charge sensing amplification via weak values measurement
Mesoscale and Nanoscale Physics
2013-02-18 v2 Quantum Physics
Abstract
A protocol employing weak values (WVs) to obtain ultra sensitive amplification of weak signals in the context of a solid state setup is proposed. We consider an Aharonov-Bohm interferometer where both the orbital and the spin degrees of freedom are weakly affected by the presence of an external charge to be detected. The interplay between the spin and the orbital WVs leads to a significant amplification even in the presence of finite temperature, voltage, and external noise.
Cite
@article{arxiv.1009.4738,
title = {Charge sensing amplification via weak values measurement},
author = {Oded Zilberberg and Alessandro Romito and Yuval Gefen},
journal= {arXiv preprint arXiv:1009.4738},
year = {2013}
}
Comments
6 pages, 5 figures