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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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https://hal-cea.archives-ouvertes.fr/cea-01299887
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Submitted on : Friday, April 8, 2016 - 2:49:38 PM
Last modification on : Tuesday, July 7, 2020 - 12:07:06 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

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

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