Re: Renormalization" "The Early Period"
From: Frank Hellmann (Certhas_at_gmail.com)
Date: 07/21/04
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Date: 21 Jul 2004 12:38:48 -0400
Speaking classically, if the electron is a fundamental particle it
must be point like due to SR. See Landau & Lifschitz, Classical
mechanics on that. An extended electron would be hard to make
covariant.
Formally it appears we need a sort of renormalization here. And Landau
Lifschitz actually derive some of the absurd results that result from
the ad hoc renormalization in Classical Fieldtheory, including a
runaway sollution to the self interaction of a charged point particle.
(I suspect these can be avoided by using a proper regularization
scheme).
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