One hundred and thirty years ago Oliver Heaviside (1850-1925) first published the exact expression of the electromagnetic field generated by a uniformly moving electric charge. A didactical route to establish such an important result is here proposed via a new treatment of the Feynman formula for the electric field intensity of a moving charge, when the charge moves uniformly. We believe the present approach could be a useful starting point for introducing as gently as possible a complex analysis of electrodynamics even to undergraduates not yet familiar with Maxwell's equations and Lorentz transformation.
Borghi, R. (2019). Field by uniformly moving charge: A new derivation via Feynman's formula. EUROPEAN JOURNAL OF PHYSICS, 40(1), 015203 [10.1088/1361-6404/aae8aa].
Field by uniformly moving charge: A new derivation via Feynman's formula
Borghi, Riccardo
2019-01-01
Abstract
One hundred and thirty years ago Oliver Heaviside (1850-1925) first published the exact expression of the electromagnetic field generated by a uniformly moving electric charge. A didactical route to establish such an important result is here proposed via a new treatment of the Feynman formula for the electric field intensity of a moving charge, when the charge moves uniformly. We believe the present approach could be a useful starting point for introducing as gently as possible a complex analysis of electrodynamics even to undergraduates not yet familiar with Maxwell's equations and Lorentz transformation.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
