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Quantum State-Channel Duality for the calculation of Standard Model scattering amplitudes

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arxiv 2312.02242 v1 pith:FRPLBSAT submitted 2023-12-04 hep-ph

Clelia Altomonte , Alan J. Barr This is my paper · ORCID
classification hep-ph
keywords quantumamplitudesapplicationdualityinformationmodelscatteringstandard
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Recent instances of successful application of quantum information techniques to particle physics problems invite for an analysis of the mathematical details behind such connection. In this paper, we identify the Choi-Jamiolkowski isomorphism, or state-channel duality, as a theoretical principle enabling the application of the theory of quantum information to the scattering amplitudes associated with Standard Model processes.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. High Energy Photon Polarimetry at Lepton Colliders: Quantum Information from Converted Photons

    hep-ph 2026-07 conditional novelty 6.5 of 10

    Converted photons in Belle II enable high-significance measurements of Bell nonlocality, discord, concurrence, magic and steerability for macroscopically separated GeV diphotons, provided opening-angle resolution reac...

  2. Hadron Structure from the Hierarchy of Quantum Correlations in Deep-Inelastic Scattering

    hep-ph 2026-07 conditional novelty 6.0 of 10

    Quantum-information measures of the DIS final electron-quark state are shown to be sensitive to transversity PDFs and can discriminate between different tensor-charge extractions.

  3. Extracting a Toponium Signal at the LHC with Spin and Quantum Information Tools

    hep-ph 2026-02 conditional novelty 6.0 of 10

    Spin and quantum-information observables add only marginal statistical power beyond kinematic variables for isolating toponium in near-threshold top-pair events, but improve interpretability.

  4. Spin versus Magic: Lessons from Gluon and Graviton Scattering

    hep-th 2025-08 accept novelty 6.0 of 10

    For 2 to 2 scattering of massless spin-1/2 to spin-2 particles, the averaged generated magic decreases monotonically with spin, with maxima well below the two-qubit upper bound.

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