Coherent combs of antimatter from nonlinear electron-positron-pair creation

K. Krajewska and J. Z. Kamiński
Phys. Rev. A 90, 052108 – Published 12 November 2014

Abstract

Electron-positron-pair creation in collisions of a modulated laser pulse with a high-energy photon (nonlinear Breit-Wheeler process) is studied by means of strong-field quantum electrodynamics. It is shown that the driving pulse modulations lead to the appearance of comb structures in the energy spectra of produced positrons (electrons). It is demonstrated that these combs result from a coherent enhancement of probability amplitudes of pair creation from different modulations of the laser pulse, thus resembling the Young-type double-slit experiment for antimatter (matter) waves.

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  • Received 15 July 2014

DOI:https://doi.org/10.1103/PhysRevA.90.052108

©2014 American Physical Society

Authors & Affiliations

K. Krajewska* and J. Z. Kamiński

  • Institute of Theoretical Physics, Faculty of Physics, University of Warsaw, Pasteura 5, 02-093 Warszawa, Poland

  • *Katarzyna.Krajewska@fuw.edu.pl

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Vol. 90, Iss. 5 — November 2014

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