Wang, Ying-Dan and Zhu, Xiaobo and Bruder, Christoph. (2011) Ideal quantum nondemolition measurement of a flux qubit at variable bias. Physical Review B, Vol. 83, H. 13 , 134504.
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Official URL: http://edoc.unibas.ch/dok/A6001660
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Abstract
We propose a scheme to realize a quantum nondemolition (QND) measurement of a superconducting flux qubit by a Josephson bifurcation amplifier. Our scheme can implement a perfect QND measurement for a qubit subject to a variable magnetic bias. Measurement back-action-induced qubit relaxation can be suppressed and hence the QND fidelity is expected to be high over a wide range of bias conditions.
| Faculties and Departments: | 05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder) |
|---|---|
| UniBasel Contributors: | Bruder, Christoph and Wang, Yingdan |
| Item Type: | Article, refereed |
| Article Subtype: | Research Article |
| Publisher: | American Institute of Physics |
| ISSN: | 0163-1829 |
| Note: | Publication type according to Uni Basel Research Database: Journal article |
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| Last Modified: | 11 Oct 2012 15:31 |
| Deposited On: | 11 Oct 2012 15:21 |
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