Finite ﬁeld-energy of a point charge in QED (2013)
- Autor USP: GUITMAN, DMITRI MAXIMOVITCH - IF
- Unidade: IF
- Subjects: ELETRODINÂMICA QUÂNTICA; TEORIA DE CAMPOS
- Language: Inglês
- Abstract: We consider a simple nonlinear (quartic in the ﬁelds) gauge-invariant modiﬁcation of classical electrodynamics, which possesses a regularizing ability suﬃcient to make the ﬁeld energy of a point charge ﬁnite. The model is exactly solved in the class of static central-symmetric electric ﬁelds. Collation with quantum electrodynamics (QED) results in the total ﬁeld energy about twice the electron mass. The proof of the ﬁniteness of the ﬁeld energy is extended to include any polynomial selﬁnteraction, thereby the one that stems from the truncated expansion of the Euler-Heisenberg local Lagrangian in QED in powers of the ﬁeld strenth.
ABNTCOSTA, Caio V; GITMAN, Dmitri Maximovitch; SHABAD, Anatoly E. Finite ﬁeld-energy of a point charge in QED. [S.l: s.n.], 2013.
APACosta, C. V., Gitman, D. M., & Shabad, A. E. (2013). Finite ﬁeld-energy of a point charge in QED. São Paulo.
NLMCosta CV, Gitman DM, Shabad AE. Finite ﬁeld-energy of a point charge in QED. 2013 ;
VancouverCosta CV, Gitman DM, Shabad AE. Finite ﬁeld-energy of a point charge in QED. 2013 ;
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