Probing an unknown quantum state is a resource-intensive endeavour. Now, it is shown that it may be faster to record observations that are themselves quantum superpositions, rather than classical data.
References
Lloyd, S., Mohseni, M. & Rebentrost, P. Nature Phys. 10, 631–633 (2014).
Gross, D., Liu, Y.-K., Flammia, S. T., Becker, S. & Eisert, J. Phys. Rev. Lett. 105, 150401 (2010).
Cramer, M. et al. Nature Commun. 1, 149 (2010).
Shabani, A. et al. Phys. Rev. Lett. 106, 100401 (2011).
Harrow, A. W. Applications of Coherent Classical Communication and the Schur Transform to Quantum Information Theory PhD thesis, Massachusetts Institute of Technology (2005).
Giovannetti, V., Lloyd, S. & Maccone, L. Phys. Rev. Lett. 100, 160501 (2008).
Harrow, A. W., Hassidim, A. & Lloyd, S. Phys. Rev. Lett. 103, 150502 (2009).
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Liu, YK. Show, don't tell. Nature Phys 10, 625–626 (2014). https://doi.org/10.1038/nphys3058
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DOI: https://doi.org/10.1038/nphys3058
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