Radiation reaction and renormalization for a photon-like charged particle

Details Radiation reaction and renormalization for a photon-like charged particle Radiation reaction and renormalization for a photon-like charged particle

2009-07-21

arxiv.org/abs/0907.3694v1

Problems of Atomic Science and Technology, 2007, No 3(1), P. 225-229

Physics

Mathematical Physics

15 pages, 3 figures

Scientific paper

A renormalization scheme which relies on energy-momentum and angular momentum balance equations is applied to the derivation of effective equation of motion for a massless point-like charge. Unlike the massive case, the rates of radiated energy-momentum and angular momentum tend to infinity whenever the source is accelerated. The external electromagnetic fields which do not change the velocity of the particle admit only its presence within the interaction area. The effective equation of motion is the equation on eigenvalues and eigenvectors of the electromagnetic tensor. The massless charges move along base line determined by the eigenvectors when the effective equation of motion possesses uniform solutions. It is interesting that the same solution arises in Rylov's model of magnetosphere of a rapidly rotating neutron star (pulsar).

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