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Characterization of control noise effects in optimal quantum unitary dynamics

Author(s): Hocker, David; Brif, Constantin; Grace, Matthew D.; Donovan, Ashley; Ho, Tak-San; et al

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dc.contributor.authorHocker, David-
dc.contributor.authorBrif, Constantin-
dc.contributor.authorGrace, Matthew D.-
dc.contributor.authorDonovan, Ashley-
dc.contributor.authorHo, Tak-San-
dc.contributor.authorTibbetts, Katharine Moore-
dc.contributor.authorWu, Rebing-
dc.contributor.authorRabitz, Herschel-
dc.date.accessioned2020-10-30T18:35:18Z-
dc.date.available2020-10-30T18:35:18Z-
dc.date.issued2014-12-02en_US
dc.identifier.citationHocker, David, Brif, Constantin, Grace, Matthew D, Donovan, Ashley, Ho, Tak-San, Tibbetts, Katharine Moore, Wu, Rebing, Rabitz, Herschel. (2014). Characterization of control noise effects in optimal quantum unitary dynamics. PHYSICAL REVIEW A, 90 (10.1103/PhysRevA.90.062309en_US
dc.identifier.issn1050-2947-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1bf9t-
dc.description.abstractThis work develops measures for quantifying the effects of field noise upon targeted unitary transformations. Robustness to noise is assessed in the framework of the quantum control landscape, which is the mapping from the control to the unitary transformation performance measure (quantum gate fidelity). Within that framework, a geometric interpretation of stochastic noise effects naturally arises, where more robust optimal controls are associated with regions of small overlap between landscape curvature and the noise correlation function. Numerical simulations of this overlap in the context of quantum information processing reveal distinct noise spectral regimes that better support robust control solutions. This perspective shows the dual importance of both noise statistics and the control form for robustness, thereby opening up new avenues of investigation on how to mitigate noise effects in quantum systems.en_US
dc.format.extent062309-1 - 062309-9en_US
dc.language.isoen_USen_US
dc.relation.ispartofPHYSICAL REVIEW Aen_US
dc.rightsFinal published version. Article is made available in OAR by the publisher's permission or policy.en_US
dc.titleCharacterization of control noise effects in optimal quantum unitary dynamicsen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1103/PhysRevA.90.062309-
dc.identifier.eissn1094-1622-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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