11–16 Sept 2022
Görlitz
Europe/Berlin timezone

Beyond the Coulomb Interaction: Why the Relativistic Description of Photons and Matter Matters

13 Sept 2022, 15:15
45m
Görlitz

Görlitz

Peterstraße 15, 02826 Görlitz

Speaker

Kay Dewhurst (Max Planck Institute of Microstructure Physics, Germany)

Description

Most functionals used in density functional theory are based on the Coulomb interaction. This approximation to the more fundamental interaction found in quantum electrodynamics (QED) may be inadequate for matter under extreme conditions. I'll discuss what is missing and how to account for some relativistic effects using expansions in powers of 1/c. By analogy with electron-phonon coupled superconductivity, I'll also show how a fully relativistic mean-field version of QED can be derived.

Primary author

Kay Dewhurst (Max Planck Institute of Microstructure Physics, Germany)

Presentation materials

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