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Momentum correlations of scattered particles in quantum field theory: one-loop entanglement generation

We compute the entanglement entropy variation between initial (separable or entangled in the momenta) and final states $ΔS_E$ in an elastic scattering of a bipartite system composed by two interacting scalar particles. We perform a quantum field theoretical calculation to one loop order and verify that $ΔS_E $ changes as we vary the energy of incoming particles and the coupling strength in a non-trivial way.

preprint2016arXivOpen access
Ricardo FaleiroRafael PavãoHelder AlexanderBrigitte HillerAlex BlinMarcos Sampaio
hep-phquant-ph
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Ricardo FaleiroRafael PavãoHelder AlexanderBrigitte HillerAlex BlinMarcos Sampaio

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