Interaction-free measurements with superconducting qubits
Superconductivity
2009-11-13 v1 Quantum Physics
Abstract
An interaction-free measurement protocol is described for a quantum circuit consisting of a superconducting qubit and a read-out Josephson junction. By measuring the state of the qubit one can ascertain the presence of a current pulse through the circuit at a previous time without any energy exchange between the qubit and the pulse.
Keywords
Cite
@article{arxiv.0804.0523,
title = {Interaction-free measurements with superconducting qubits},
author = {G. S. Paraoanu},
journal= {arXiv preprint arXiv:0804.0523},
year = {2009}
}
Comments
4 pages, 2 figures