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T: Fachverband Teilchenphysik

T 16: Theorie: Beyond the Standard Model und Quantenfeldtheorie

T 16.7: Vortrag

Montag, 25. März 2019, 17:30–17:45, S16

On the High-Energy Behavior of Strong-Field QED in an Intense Plane Wave — •Tobias Podszus and Antonino Di Piazza — Max Planck Institute for Nuclear Physics, Heidelberg, Germany

We study the mass and the polarization operator in an external plane-wave field for different parametric situations. Starting from the one-loop order contributions to the mass and to the polarization operator in a plane wave, we calculate analytically their leading order terms in the limit of different parametric situations (constant crossed field, high-energy and high intensity) [1]. We found that both operators show very different behaviors in the different parameter regions and we also compare the results with the corresponding vacuum expressions. We show that the presence of the plane wave changes the asymptotic behaviors of the radiative corrections and that some of the asymptotical limits do not commute.

[1] T. Podszus and A. Di Piazza, to be submitted.

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