Towards a covariant formulation of electromagnetic wave polarization
Towards a covariant formulation of electromagnetic wave polarization
Towards a covariant formulation of electromagnetic wave polarization
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Chapter 5<br />
Covariant <strong>polarization</strong><br />
tensors in E,B-component<br />
form<br />
In Chapter 5 we saw that the S, V, T parameters can be found in Lorentz <strong>covariant</strong><br />
tensors. These tensors were constructed according to<br />
where<br />
is the metric,<br />
and<br />
1 X µν = F αµ (F αδ ) ∗ g δν , (5.1)<br />
2 X µν = F αµ (F αδ ) ∗ g δν , (5.2)<br />
3 X µν = F αµ (F αδ ) ∗ g δν , (5.3)<br />
4 X µν = F αµ (F αδ ) ∗ g δν , (5.4)<br />
⎛<br />
⎞<br />
1 0 0 0<br />
g µν = g µν = ⎜0 −1 0 0<br />
⎟<br />
⎝0 0 −1 0 ⎠ , (5.5)<br />
0 0 0 −1<br />
⎛<br />
⎞<br />
0 −E 1 −E 2 −E3<br />
F µν = ⎜E 1 0 −cB 3 cB 2<br />
⎟<br />
⎝E 2 cB 3 0 −cB 1<br />
⎠ (5.6)<br />
E 3 −cB 2 cB 1 0<br />
⎛<br />
⎞<br />
0 E 1 E 2 E 3<br />
F µν = ⎜−E 1 0 −cB 3 cB 2<br />
⎟<br />
⎝−E 2 cB 3 0 −cB 1<br />
⎠ (5.7)<br />
−E 3 −cB 2 cB 1 0<br />
are the contravariant and <strong>covariant</strong> field strength tensors, respectively, and<br />
⎛<br />
⎞<br />
0 −cB 1 −cB 2 −cB 3<br />
F µν = ⎜cB 1 0 E 3 −E 2<br />
⎟<br />
⎝cB 2 −E 3 0 E 1<br />
⎠ (5.8)<br />
cB 3 E 2 −E 1 0<br />
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