Page:Grundgleichungen (Minkowski).djvu/6

From Wikisource
Jump to: navigation, search
This page has been proofread, but needs to be validated.


i.e. the components of the convection current , and the electric density multiplied by .

Further I shall write

for

,

i.e., the components of and along the three axes; now if we take any two indices h, k out of the series

,

therefore

,

,

Then the three equations comprised in (I), and the equation (II) multiplied by i becomes

(A)

On the other hand, the three equations comprised in (III) multiplied by -i, and equation (IV) multiplied by -1, become

(B)

By means of this method of writing we at once notice the perfect symmetry of the 1st as well as the 2nd system of equations