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Unified statistical method for reconstructing quantum states by purification

  • Atoms, Molecules, Optics
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Abstract

Mixed-state purification is used as a basis to formulate a general statistical method for reconstructing the density matrix of an arbitrary quantum state. A universal statistical distribution is obtained for the fidelity of the reconstructed quantum state. The proposed theory is supported by results of numerical simulations.

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Authors and Affiliations

  1. Institute of Physics and Technology, Russian Academy of Sciences, Moscow, 117218, Russia

    Yu. I. Bogdanov

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  1. Yu. I. Bogdanov
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Correspondence to Yu. I. Bogdanov.

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Original Russian Text © Yu.I. Bogdanov, 2009, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2009, Vol. 135, No. 6, pp. 1068–1078.

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Bogdanov, Y.I. Unified statistical method for reconstructing quantum states by purification. J. Exp. Theor. Phys. 108, 928–935 (2009). https://doi.org/10.1134/S106377610906003X

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  • DOI: https://doi.org/10.1134/S106377610906003X

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