PoS - Proceedings of Science
Volume 455 - International Conference on Particle Physics and Cosmology (ICPPCRubakov2023) - Parallel session Physics beyond the Standard Model
Photon Polarization Operator in External Electromagnetic Field with Account of Virtual-Fermion AMM
A.Y. Parkhomenko*, A. Dobrynina, I.V. Karabanov and L.A. Vassilevskaya
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Pre-published on: April 11, 2024
Published on: May 17, 2024
Two-point vector-tensor and tensor-tensor correlators of fermionic currents are calculated in a background filled with a constant homogeneous magnetic field. The tensor current is a fermionic part of the Pauli Lagrangian density describing the electromagnetic interaction of fermions through their anomalous magnetic moment (AMM). Under assumption that this interaction enters the effective QED Lagrangian, the contribution induced by AMM to the photon polarization operator is calculated and its impact is discussed.
DOI: https://doi.org/10.22323/1.455.0012
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