Scattering and momentum space entanglement

Gianluca Grignani; Gordon W. Semenoff

doi:10.1016/j.physletb.2017.07.030

Physics Letters B (Sep 2017)

Scattering and momentum space entanglement

Gianluca Grignani,
Gordon W. Semenoff

Affiliations

Gianluca Grignani: Department of Physics and Geology, University of Perugia, I.N.F.N. Sezione di Perugia, Via Pascoli, I-06123 Perugia, Italy
Gordon W. Semenoff: Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, British Columbia, V6T 1Z1, Canada

DOI: https://doi.org/10.1016/j.physletb.2017.07.030
Journal volume & issue: Vol. 772, no. C
pp. 699 – 702

Abstract

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We derive a formula for the entanglement entropy of two regions in momentum space that is generated by the scattering of weakly interacting scalar particles. We discuss an example where weak interactions entangle momentum scales above and below an infrared cutoff.

Published in Physics Letters B

ISSN: 0370-2693 (Print); 1873-2445 (Online)
Publisher: Elsevier
Country of publisher: Netherlands
LCC subjects: Science: Physics
Website: http://www.journals.elsevier.com/physics-letters-b/

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