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Acta Physica Sinica, 10(59), p. 6837, 2010

DOI: 10.7498/aps.59.6837

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Subspace quantum process tomography via nuclear magnetic resonance

Journal article published in 2010 by X. W. Yao, 陈忠, B.-R. Zeng, Q. Liu, C. Yang, X.-Y. Mu, X.-C. Lin ORCID, J. A. Pan, Z. Chen
This paper was not found in any repository; the policy of its publisher is unknown or unclear.
This paper was not found in any repository; the policy of its publisher is unknown or unclear.

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Abstract

Experimental investigation of subspace quantum process tomography in three-spin system was implemented via nuclear magnetic resonance. A quantum process was characterized by measuring a complete set of input states and corresponding outputs. The method using ancillary qubit remarkably reduces the number of the initial input states. And the pulse sequences used in this paper have fewer J-coupling evolutions. The experiment time was shortened and quantum decoherence of the system was weakened efficiently. ; Natural Science Foundation of Fujian Province, China [2008J0219]