File:Vacuum polarization.svg

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Description	English: One-loop vacuum polarization diagram. This is the one loop contribution to the photon propagator Π due to vacuum polarization in quantum electrodynamics. It contributes to a wave function renormalization for the photon, leading to a charge screening. It has a logarithmic divergence. Similar one-loop diagrams can be considered for other gauge bosons, such as W, Z and the gluons. Français : Diagramme à une boucle de polarisation du vide, ou d'écrantage des charges en QED. Il contribue à la renormalisation de la fonction d'onde du photon. Il possède une divergence ultraviolette logarithmique.
Date	7 March 2007
Source	en:Image:Vacuum polarization.png
Author	User:Stannered
Permission ( Reusing this file)	PD

This file is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Renormalization

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Find out about Schools Wikipedia

Wikipedia for Schools was collected by SOS Children. SOS Children believes education is an important part of a child's life. That's why we ensure they receive nursery care as well as high-quality primary and secondary education. When they leave school, we support the children in our care as they progress to vocational training or higher education. Find out how you can help children in other countries.