Faraday Rotation and Depolarization in AGN Jets
Faraday Rotation and Depolarization in AGN Jets
Faraday Rotation and Depolarization in AGN Jets
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Prelim<strong>in</strong>aries<br />
(1) χ(λ) = χ ο + RM . λ 2<br />
(2) RM = 8.1x10 5 f c N e B.dl rad m -2 : (cm<br />
-3<br />
, G, pc)<br />
(2a) f c = (N - - N + )/(N - + N + ) = N protons /N leptons : <strong>in</strong>clude pairs<br />
(2b)<br />
for relativistic particles, n(γ) = K γ -p , γ > γ m<strong>in</strong><br />
n eq = (p-1)(p+2)/(p+1) n rel ln γ m<strong>in</strong> /γ m<strong>in</strong><br />
2<br />
~ K γ m<strong>in</strong><br />
-(1+p)<br />
(2c) = L f B : field reversals, loops etc.
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