In perturbative relativistic 2→2 scattering the concurrence of the traced-out qubit density matrix depends at leading order on the real part of the inelastic forward amplitude.
Entanglement Entropy of Scattering Particles
7 Pith papers cite this work. Polarity classification is still indexing.
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abstract
We study the entanglement entropy between the two outgoing particles in an elastic scattering process. It is formulated within an S-matrix formalism using the partial wave expansion of two-body states, which plays a significant role in our computation. As a result, we obtain a novel formula that expresses the entanglement entropy in a high energy scattering by the use of physical observables, namely the elastic and total cross sections and a physical bound on the impact parameter range, related to the elastic differential cross-section.
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Links amplitude positivity to S-matrix entanglement consistency for flavored states, analyzes disentanglers, and introduces wave-packet regularization for entanglement expressions.
Collider scattering processes such as electron-positron annihilation to muon pairs can be represented as quantum circuits with unitary and non-unitary components.
Proposes using hemispherical projections to reduce continuous momenta to qubits and Monte Carlo simulation of tau lepton production at electron colliders to assess phase-space non-separability via EPR correlations.
The paper derives regularized density matrix expressions and polarization correlations for double Compton scattering of entangled photons by enforcing unitarity at tree level, proposing a novel cross-section definition and drawing an analogy to Young's diffraction experiment.
Correspondence shown between Rényi mutual information variation across EWSB and stabilizer Rényi entropy in tree-level 2→2 scatterings, both depending identically on sin²θ_W after angular averaging due to Yukawa insertion as -iY gate, with entropy minimization yielding value for axial Z couplings.
The linearly polarized gluon distribution enhances entanglement of heavy quark pairs in electron-nucleus collisions when total and relative transverse momenta are orthogonal.
citing papers explorer
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Qubit entanglement from forward scattering
In perturbative relativistic 2→2 scattering the concurrence of the traced-out qubit density matrix depends at leading order on the real part of the inelastic forward amplitude.
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Positivity in Amplitudes and Quantum Entanglement
Links amplitude positivity to S-matrix entanglement consistency for flavored states, analyzes disentanglers, and introduces wave-packet regularization for entanglement expressions.
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A collider as a quantum computer
Collider scattering processes such as electron-positron annihilation to muon pairs can be represented as quantum circuits with unitary and non-unitary components.
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Entanglement and non-separability of momenta and coordinates at colliders
Proposes using hemispherical projections to reduce continuous momenta to qubits and Monte Carlo simulation of tau lepton production at electron colliders to assess phase-space non-separability via EPR correlations.
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Regularized Compton double scattering via unitarity
The paper derives regularized density matrix expressions and polarization correlations for double Compton scattering of entangled photons by enforcing unitarity at tree level, proposing a novel cross-section definition and drawing an analogy to Young's diffraction experiment.
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Symmetry Breaking as Quantum Gate: Entropy and Weak Mixing Angle
Correspondence shown between Rényi mutual information variation across EWSB and stabilizer Rényi entropy in tree-level 2→2 scatterings, both depending identically on sin²θ_W after angular averaging due to Yukawa insertion as -iY gate, with entropy minimization yielding value for axial Z couplings.
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Quantum entanglement in electron-nucleus collisions: Role of the linearly polarized gluon distribution
The linearly polarized gluon distribution enhances entanglement of heavy quark pairs in electron-nucleus collisions when total and relative transverse momenta are orthogonal.