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Journal Articles Physics Letters B Year : 2016

Entanglement entropy of scattering particles

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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 describes 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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Dates and versions

cea-01299887 , version 1 (08-04-2016)
cea-01299887 , version 2 (17-10-2022)

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Robi Peschanski, Shigenori Seki. Entanglement entropy of scattering particles. Physics Letters B, 2016, 758, pp.89-92. ⟨10.1016/j.physletb.2016.04.063⟩. ⟨cea-01299887v1⟩
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