English

Are elementary particles point-like objects?

Quantum Physics 2007-05-23 v1

Abstract

Simple arguments based on uncertainty principle and Dirac's equation are examined which show that electron behaves either as a point-like charge or as an extended distribution according as high- or low-energy experiments are considered.

Keywords

Cite

@article{arxiv.quant-ph/0702112,
  title  = {Are elementary particles point-like objects?},
  author = {P. Brovetto and V. Maxia and M. Salis},
  journal= {arXiv preprint arXiv:quant-ph/0702112},
  year   = {2007}
}