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Entanglement Entropy of Scattering Particles

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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Submitted on : Friday, April 8, 2016 - 2:49:38 PM
Last modification on : Wednesday, April 14, 2021 - 12:11:59 PM
Long-term archiving on: : Monday, November 14, 2016 - 10:52:50 PM


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  • HAL Id : cea-01299887, version 1
  • ARXIV : 1602.00720


Robi Peschanski, Shigenori Seki. Entanglement Entropy of Scattering Particles. Physics Letters B, Elsevier, 2016, 758, pp.89-92. ⟨cea-01299887⟩



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