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High Energy Physics - Theory

arXiv:1602.00720 (hep-th)
[Submitted on 1 Feb 2016 (v1), last revised 2 May 2016 (this version, v3)]

Title:Entanglement Entropy of Scattering Particles

Authors:Robi Peschanski, Shigenori Seki
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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 expresses 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.
Comments: 4 pages; v2: a ref. added; v3: format changed, results do not change, version for publication
Subjects: High Energy Physics - Theory (hep-th); Statistical Mechanics (cond-mat.stat-mech); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1602.00720 [hep-th]
  (or arXiv:1602.00720v3 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.1602.00720
Journal reference: Phys. Lett. B758 (2016) 89-92
Related DOI: https://doi.org/10.1016/j.physletb.2016.04.063

Submission history

From: Shigenori Seki Dr. [view email]
[v1] Mon, 1 Feb 2016 21:39:49 UTC (9 KB)
[v2] Tue, 16 Feb 2016 07:40:35 UTC (9 KB)
[v3] Mon, 2 May 2016 02:39:32 UTC (10 KB)
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