One-loop electromagnetic correlators of SQED in power-law inflation
We examine scalar quantum electrodynamics in power-law inflation, and compute the one-loop correction to electric and magnetic field correlators at superhorizon separations. The effect at one-loop descends from the coupling of the vector to the charged scalar current which is greatly enhanced due to...
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| Veröffentlicht in: | Journal of cosmology and astroparticle physics 2021-02, Vol.2021 (2), p.21-21 |
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| container_issue | 2 |
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| container_title | Journal of cosmology and astroparticle physics |
| container_volume | 2021 |
| creator | Glavan, Dražen Rigopoulos, Gerasimos |
| description | We examine scalar quantum electrodynamics in power-law inflation, and compute the one-loop correction to electric and magnetic field correlators at superhorizon separations. The effect at one-loop descends from the coupling of the vector to the charged scalar current which is greatly enhanced due to gravitational particle production. We conclude that non-perturbative effects must exist due to (i) secular growth, (ii) spatial running, and (iii) infrared sensitivity of the one-loop correction to the correlators. Electric and magnetic correlators exhibit a hierarchy that is due to Faraday's law and accelerated expansion, and must hold non-perturbatively. |
| doi_str_mv | 10.1088/1475-7516/2021/02/021 |
| format | Article |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Correlation Correlators Magnetic fields Particle production Power law Quantum electrodynamics |
| title | One-loop electromagnetic correlators of SQED in power-law inflation |
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