Stabilizer Rényi entropy provides an exact closed-form witness for CP phases in spin-0 decays that standard entanglement quantifiers miss, with linear and quartic magic-inspired observables proposed for collider use.
Quantum properties of heavy-fermion pairs at a lepton collider with polarised beams,
9 Pith papers cite this work. Polarity classification is still indexing.
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Computes entanglement negativities for the tripartite spin system in e+e- -> ttZ and projects that collective entanglement is accessible but genuine multipartite entanglement has limited sensitivity at a polarized ILC with expected luminosity.
Energetic radiation induces decoherence that significantly reduces entanglement in fermion pairs at colliders, with statistically significant signals observable in ttbar(g) at the LHC and tau pairs at Belle II.
A kinematic reconstruction technique for tau pairs at Higgs factories, using momenta and impact parameters with weighted solutions, enables spin polarimeter extraction and shows photon angular resolution is the dominant detector need.
Polarized lepton beams control quantum discord and steering in hyperon-antihyperon pairs from e+e- annihilation, with discord persisting in separable states via transverse polarization.
Entanglement in ttbar production at lepton colliders is typically reduced by scalar mediators but shows sizable deviations in U(1)B-L and Randall-Sundrum models, positioning quantum-information observables as probes for new neutral interactions.
Semi-leptonic h to VV* decays retain an effective two-qutrit description for quantum tomography and entanglement after including finite fermion masses and NLO corrections.
Transverse polarization in e+e- collisions generates maximally entangled fermion pairs in QED processes and boosts entanglement in electroweak and Bhabha scattering.
Monte Carlo feasibility study at STCF finds reconstructed concurrence of 0.279 ± 0.007 for τ⁺τ⁻ pairs in the ππ channel using quantum tomography.
citing papers explorer
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Quantum Magic Reveals CP Phases Invisible to Entanglement in Spin-0 Decays
Stabilizer Rényi entropy provides an exact closed-form witness for CP phases in spin-0 decays that standard entanglement quantifiers miss, with linear and quartic magic-inspired observables proposed for collider use.
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Tripartite Entanglement in $e^+ e^- \to t \bar{t} Z$
Computes entanglement negativities for the tripartite spin system in e+e- -> ttZ and projects that collective entanglement is accessible but genuine multipartite entanglement has limited sensitivity at a polarized ILC with expected luminosity.
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Radiation effects on the entanglement of fermion pairs at colliders
Energetic radiation induces decoherence that significantly reduces entanglement in fermion pairs at colliders, with statistically significant signals observable in ttbar(g) at the LHC and tau pairs at Belle II.
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Experimental aspects of the Quantum Tomography of tau lepton pairs at a Higgs factory collider
A kinematic reconstruction technique for tau pairs at Higgs factories, using momenta and impact parameters with weighted solutions, enables spin polarimeter extraction and shows photon angular resolution is the dominant detector need.
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Controlling Quantum discord and steering in Electron-Positron Annihilation Using Polarized Beams
Polarized lepton beams control quantum discord and steering in hyperon-antihyperon pairs from e+e- annihilation, with discord persisting in separable states via transverse polarization.
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Disentangling new physics with quantum entanglement in $t\bar{t}$ production at future lepton colliders
Entanglement in ttbar production at lepton colliders is typically reduced by scalar mediators but shows sizable deviations in U(1)B-L and Randall-Sundrum models, positioning quantum-information observables as probes for new neutral interactions.
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Quantum Tomography and Entanglement in Semi-Leptonic $h\to VV^*$ Decays at Higher Orders
Semi-leptonic h to VV* decays retain an effective two-qutrit description for quantum tomography and entanglement after including finite fermion masses and NLO corrections.
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Spin Correlation and Quantum Entanglement of Fermion Pairs in Transversely Polarized $e^-e^+$ Collisions
Transverse polarization in e+e- collisions generates maximally entangled fermion pairs in QED processes and boosts entanglement in electroweak and Bhabha scattering.
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Probing Quantum Entanglement in $\tau^+\tau^-$ Pairs via the $\pi\pi$ Channel at STCF
Monte Carlo feasibility study at STCF finds reconstructed concurrence of 0.279 ± 0.007 for τ⁺τ⁻ pairs in the ππ channel using quantum tomography.