https://doi.org/10.1140/epjc/s10052-016-4108-7
Comment
A note on “Measuring propagation speed of Coulomb fields” by R. de Sangro, G. Finocchiaro, P. Patteri, M. Piccolo, G. Pizzella
1
P. N. Lebedev Physics Institute, Leninsky Prospekt 53, Moscow, 117924, Russia
2
Tomsk State University, Lenin Prospekt 36, Tomsk, 634050, Russia
3
Instituto de Física, Universidade de São Paulo, São Paulo, CEP 05508-090, Brazil
* e-mail: a.a.shishmarev@mail.ru
Received:
7
April
2016
Accepted:
20
April
2016
Published online:
10
May
2016
In connection with the discussion and the measurements fulfilled in Ref. (Eur Phys J C 75:137, 2015), the full identity is demonstrated between the Feynman formula for the field of a moving charge and the Liénard-Wiechert potentials.
© The Author(s), 2016
