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Error-prevention scheme with two pairs of qubits
dc.contributor.author | Chu, Shih-I | |
dc.contributor.author | Yang, Chui-Ping | |
dc.contributor.author | Han, Siyuan | |
dc.date.accessioned | 2014-12-02T17:45:13Z | |
dc.date.available | 2014-12-02T17:45:13Z | |
dc.date.issued | 2002-09-04 | |
dc.identifier.citation | Yang, Chui-Ping., Chu, Shih-I., Han, Siyuan. "Error-prevention scheme with two pairs of qubits." Phys. Rev. A 66, 034301 – Published 4 September 2002. http://dx.doi.org/10.1103/PhysRevA.66.034301. | |
dc.identifier.uri | http://hdl.handle.net/1808/15995 | |
dc.description | This is the published version, also available here: http://dx.doi.org/10.1103/PhysRevA.66.034301. | |
dc.description.abstract | A scheme is presented for protecting one-qubit quantum information against decoherence due to a general environment and local exchange interactions. The scheme operates essentially by distributing information over two pairs of qubits and through error-prevention procedures. In the scheme, quantum information is encoded through a decoherence-free subspace for collective phase errors and exchange errors affecting the qubits in pairs; leakage out of the encoding space due to amplitude damping is reduced by quantum Zeno effect. In addition, how to construct decoherence-free states for n-qubit information against phase and exchange errors is discussed. | |
dc.publisher | American Physical Society | |
dc.title | Error-prevention scheme with two pairs of qubits | |
dc.type | Article | |
kusw.kuauthor | Yang, Chui-Ping | |
kusw.kuauthor | Chu, Shih-I | |
kusw.kuauthor | Han, Siyuan | |
kusw.kudepartment | Chemistry | |
kusw.kudepartment | Physics and Astronomy | |
kusw.oastatus | na | |
dc.identifier.doi | 10.1103/PhysRevA.66.034301 | |
kusw.oaversion | Scholarly/refereed, publisher version | |
kusw.oapolicy | This item does not meet KU Open Access policy criteria. | |
dc.rights.accessrights | openAccess |