Tuesday, 13 September 2016

electromagnetism - Why is the Mixed Faraday Tensor a matrix in the algebra so(1,3)?



The mixed Faraday tensor $F^\mu{}_\nu$ explicitly in natural units is:


$$(F^\mu{}_\nu)=\left(\begin{array}{cccc}0&E_x&E_y&E_z\\E_x&0&B_z&-B_y\\E_y&-B_z&0&B_x\\E_z&B_y&-B_x&0\end{array}\right)$$


and thus has the same form as a general element of the Lorentz algebra $\mathfrak{so}(1,\,3)$. Is there a physical interpretation of this or is it co-incidence?




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