Recent content by vahdaneh

yet i do not know in what other forms i can use the last line...

I've got here so far, but first of all I'm not sure if i did it right till the last line and second, if I've been right, i do not know what to do with the rest. should i consider each of levi-civita parentheses in the last line zero? and one additional question about the term in the first line...

i don't know why i haven't tried differentiating it when its written in form of field tensor! so if I'm not wrong with my calculations(cause i got the hint from your advice but i couldn't follow the rest of yours and tried writing it down for myself again) in the end, with considering coulomb's...

i'll be grateful for any advice I've already tried using but it just gets massive and makes me get lost.

Homework Statement: finding equation of motion for Born-Infeld lagrangian Homework Equations: born-infelf lagrangian i do not know where I'm going wrong. i'll be really grateful for any advice.