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Orbital angular momentum coupling in elastic photon-photon scattering

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arxiv 1902.05928 v2 pith:YRUNVYFP submitted 2019-02-14 physics.optics hep-ph

Ramy Aboushelbaya , Kevin Glize , Alexander F. Savin , Marko Mayr , Benjamin Spiers , Robin Wang , John Collier , Mattias Marklund
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Raoul M.G.M Trines Robert Bingham Peter A. Norreys
This is my paper · ORCID
classification physics.opticshep-ph
keywords angularcouplingelasticgeneratedmomentumorbitalphoton-photonphotons
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In this letter, we investigate the effect of orbital angular momentum (OAM) on elastic photon-photon scattering in vacuum for the first time. We define exact solutions to the vacuum electro-magnetic wave equation which carry OAM. Using those, the expected coupling between three initialwaves is derived in the framework of an effective field theory based on the Euler-Heisenberg La-grangian and shows that OAM adds a signature to the generated photons thereby greatly improvingthe signal-to-noise ratio. This forms the basis for a proposed high-power laser experiment utilizingquantum optics techniques to filter the generated photons based on their OAM state

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Cited by 2 Pith papers

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    Back-reflection in dipole fields is dominated by a four-wave-mixing channel; an optimized three-pulse planar setup gives ~1.5 discernible signal photons per shot with signal-to-background ~10^5.

  2. Coherent enhancement of QED cross-sections in electromagnetic backgrounds

    hep-ph 2024-12 conditional novelty 5.0 of 10

    This paper shows that replacing a photon with a classical laser field can coherently boost QED cross-sections and improve their energy scaling, for example sigma_1->1 ~ (omega/m)^4 versus sigma_2->2 ~ (omega/m)^6.

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