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Quantum photonics

Not commuting around Hilbert space

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A clever experiment with a photonic circuit has realized three-dimensional non-Abelian quantum behaviour — introducing an experimental testbed for field and gauge theories.

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Fig. 1: Non-Abelian holonomies.

References

  1. Neef, V. et al. Nat. Phys. https://doi.org/10.1038/s41567-022-01807-5 (2022).

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Authors and Affiliations

  1. Centre for Engineered Quantum Systems and University of Queensland, Brisbane, Queensland, Australia

    Andrew G. White

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  1. Andrew G. White
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Correspondence to Andrew G. White.

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White, A.G. Not commuting around Hilbert space. Nat. Phys. 19, 4–5 (2023). https://doi.org/10.1038/s41567-022-01860-0

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