The Classical Particle Coupled to External Electromagnetic Field − Symmetries and Conserved Quantities

Autores/as

DOI:

https://doi.org/10.22481/exon.v2i2.19436

Palabras clave:

Simmetries, Noether’s theorem, classical action, conserved quantities, Lorentz group

Resumen

We consider a classical particle minimally coupled to an external electromagnetic field, in both non-relativistic and relativistic regimes. The coupling is constructed via the electromagnetic potential which is assumed to satisfy the classical Maxwell equations. We review Noether’s theorem at classical level associating infinitesimal symmetries to conserved quantities. The fundamental space-time symmetries are investigated considering a non-relativistic and a relativistic action in a particular reference frame. Considering some symmetry hypothesis on the action variation we work out in detail the corresponding conserved quantities.

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Citas

E. Noether, Invariante Variationsprobleme, Nachr. Gesell. Wissenchaft. G¨ottinger 2, 235, 1918.

H. Goldstein, C. Poole, and J. Safko, Classical Mechanics, Addison-Wesley, San Francisco, 2002.

N. A. Lemos, Mecˆanica Anal´ıtica, Ed. Livraria da F´ısica, S˜ao Paulo, 2007.

A. O. Lopes, Introdu¸c˜ao `a Mecˆanica Cl´assica, Edusp, S˜ao Paulo, 2006.

C. Itzykson and J. B. Zuber, Quantum Field Theory, Dover Publications, Mineola, 2006.

K. Fujikawa and H. Suzuki, Path Integral and Quantum Anomalies, Oxford University Press, Oxford, 2004.

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Publicado

2011-12-31

Cómo citar

G. D. BARBOSA; R. THIBES; R. R. FERREIRA. The Classical Particle Coupled to External Electromagnetic Field − Symmetries and Conserved Quantities. Exatas Online, [S. l.], v. 2, n. 2, p. 30–39, 2011. DOI: 10.22481/exon.v2i2.19436. Disponível em: https://periodicos2.uesb.br/exon/article/view/19436. Acesso em: 23 oct. 2026.