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Storcz, M.J., Vala, Jiri, Brown, K.R., Kempe, J., Wilhelm, F.K. and Whaley, K.B. (2005) Full protection of superconducting qubit systems from coupling errors. Physical Review B, 72 (064511). pp. 1-5. ISSN 1098-0121
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Abstract
Solid state qubits realized in superconducting circuits are potentially scalable. However, strong decoherence
may be transferred to the qubits by various elements of the circuits that couple individual qubits, particularly
when coupling is implemented over long distances. We propose here an encoding that provides full protection
against errors originating from these coupling elements, for a chain of superconducting qubits with a nearest
neighbor anisotropic XY-interaction. The encoding is also seen to provide partial protection against errors
deriving from general electronic noise.
| Item Type: | Article |
|---|---|
| Additional Information: | The definitive version of this article is available at DOI: 10.1103/PhysRevB.72.064511 . We thank T.L. Robertson for useful discussions. This work was supported in part by the NSA and ARDA under ARO contract number P-43385-PH-QC, in part by the National Science Foundation under the ITR program, Grant No. EIA-0205641, and by DFG through SFB 631. |
| Keywords: | Full protection; superconducting qubit systems; coupling errors; |
| Academic Unit: | Faculty of Science and Engineering > Mathematical Physics |
| Item ID: | 4500 |
| Depositing User: | Dr. Jiri Vala |
| Date Deposited: | 17 Sep 2013 15:41 |
| Journal or Publication Title: | Physical Review B |
| Publisher: | American Physical Society |
| Refereed: | Yes |
| Related URLs: | |
| URI: | https://mu.eprints-hosting.org/id/eprint/4500 |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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