Local spin polarization imposes an upper bound on concurrence in two-qubit systems that is saturated by pure states, and this bound lowers maximal entanglement in the polarized e+e- to Z to qqbar process relative to the unpolarized case.
M., Hillery, M., Milburn, G
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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.
Closed-form expressions show fidelity, coherence, and entanglement of formation in a four-qubit XXX chain evolve periodically with phase φ = (α + 1)t and freeze completely at α = -1.
citing papers explorer
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Polarization, Maximal Concurrence, and Pure States in High-Energy Collisions
Local spin polarization imposes an upper bound on concurrence in two-qubit systems that is saturated by pure states, and this bound lowers maximal entanglement in the polarized e+e- to Z to qqbar process relative to the unpolarized case.
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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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Unitary dynamics and resource trade-offs in a four-qubit isotropic Heisenberg XXX chain with tunable next-nearest-neighbor coupling
Closed-form expressions show fidelity, coherence, and entanglement of formation in a four-qubit XXX chain evolve periodically with phase φ = (α + 1)t and freeze completely at α = -1.