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Trapped Ion Quantum Computing

Measuring incompatible observables of a single photon

arXiv
Authors: F. Piacentini, M. P. Levi, A. Avella, E. Cohen, R. Lussana, F. Villa, A. Tosi, F. Zappa, M. Gramegna, G. Brida, I. P. Degiovanni, M. Genovese

Year

2015

Paper ID

27807

Status

Preprint

Abstract Read

~2 min

Abstract Words

89

Citations

N/A

Abstract

One of the most intriguing aspects of Quantum Mechanics is the impossibility of measuring at the same time observables corresponding to non-commuting operators. This impossibility can be partially relaxed when considering joint or sequential weak values evaluation. Indeed, weak measurements have been a real breakthrough in the quantum measurement framework that is of the utmost interest from both a fundamental and an applicative point of view. Here we show how we realized, for the first time, a sequential weak value evaluation of two incompatible observables on a single photon.

Why This Paper Matters

  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2015 reference point for readers tracking recent quantum research.
  • One of the most intriguing aspects of Quantum Mechanics is the impossibility of measuring at the same time observables corresponding to non-commuting operators.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1508.03220 [2] arXiv https://arxiv.org/abs/1508.03220 [3] Publisher https://arxiv.org/abs/1508.03220

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