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Orbital Angular Momentum Coupling in Elastic Photon-Photon Scattering

R. Aboushelbaya, K. Glize, A. F. Savin, M. Mayr, B. Spiers, R. Wang, J. Collier, M. Marklund, R. M. G. M. Trines, R. Bingham, and P. A. Norreys
Phys. Rev. Lett. 123, 113604 – Published 13 September 2019
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Abstract

In this Letter, we investigate the effect of orbital angular momentum (OAM) on elastic photon-photon scattering in a vacuum for the first time. We define exact solutions to the vacuum electromagnetic wave equation which carry OAM. Using those, the expected coupling between three initial waves is derived in the framework of an effective field theory based on the Euler-Heisenberg Lagrangian and shows that OAM adds a signature to the generated photons thereby greatly improving the signal-to-noise ratio. This forms the basis for a proposed high-power laser experiment utilizing quantum optics techniques to filter the generated photons based on their OAM state.

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  • Received 18 February 2019
  • Revised 20 May 2019

DOI:https://doi.org/10.1103/PhysRevLett.123.113604

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & FieldsAtomic, Molecular & Optical

Authors & Affiliations

R. Aboushelbaya1,*, K. Glize2, A. F. Savin1, M. Mayr1, B. Spiers1, R. Wang1, J. Collier2, M. Marklund3, R. M. G. M. Trines2, R. Bingham2,4, and P. A. Norreys2,1,†

  • 1Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom
  • 2Central Laser Facility, STFC Rutherford Appleton Laboratory, Didcot OX11 0QX, United Kingdom
  • 3Department of Physics, University of Gothenburg, SE-41296 Gothenburg, Sweden
  • 4Department of Physics, University of Strathclyde, Strathclyde G4 0NG, United Kingdom

  • *ramy.aboushelbaya@physics.ox.ac.uk
  • Also at John Adams Institute for Accelerator Science, University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom.

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Issue

Vol. 123, Iss. 11 — 13 September 2019

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