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Dynamically assisted Schwinger mechanism and chirality production in parallel electromagnetic field

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arxiv 2003.08948 v2 pith:DC75K7JQ submitted 2020-03-19 hep-ph hep-thnucl-thphysics.plasm-phquant-ph

classification hep-phhep-thnucl-thphysics.plasm-phquant-ph
keywords chiralityproductionfieldelectromagneticparallelassistancedynamicalformula
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We study particle and chirality production from the vacuum in the presence of a slow strong parallel electromagnetic field superimposed by a fast weak perturbative electromagnetic field. We derive an analytical formula for the particle and chirality production number based on the perturbation theory in the Furry picture. With the formula, we analytically discuss the interplay and dynamical assistance between the Schwinger mechanism and one-photon pair production and clarify effects of a parallel slow strong magnetic field. We also show that the dynamical assistance can significantly enhance chirality production, and that a sizable amount of chirality can be produced even for massive particles. Phenomenological applications including heavy-ion collisions and intense laser experiments are also discussed.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Spacetime profile of electromagnetic fields in intermediate-energy heavy-ion collisions

    hep-ph 2025-01 conditional novelty 6.0 of 10

    Intermediate-energy heavy-ion collisions produce event-averaged electromagnetic fields of order (50 MeV)^2 with a significant E·B component and a dominant electric-field spacetime volume.

  2. Study on axial fields in the dynamically assisted Schwinger effect

    hep-ph 2025-01 conditional novelty 6.0 of 10

    A circularly polarized high-frequency wave creates an effective axial field that significantly boosts fermion pair production in the dynamically assisted Schwinger effect.

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