Talk:Vacuum polarization

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[edit] Fock vacuum?

What's all this stuff about the Fock vacuum versus the true vacuum? Could someone who knows what this means please translate it into language understandable by a layperson? Thanks! HEL 00:10, 5 November 2006 (UTC) To clarify: Fock vacuum and true vacuum are wikilinked in the article but the corresponding pages do not exist. It would be best to give a brief explanation in this article what is meant by these terms (and maybe also create the corresponding pages!). HEL 03:58, 5 November 2006 (UTC)