wave.motion.plasma.2008

wave.motion.plasma.2008 - Wave motion in a medium This...

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Wave motion in a medium page 1 This program calculates the electric field in a material (ionic crystal or metallic plasma) as a function of position, z, and time, t. See Eq. 2.190 on page 46 of the notes. In this case we assume that the propagation vector, k, is along the z direction. E is thus perpendicular to k. Let eo 1 := dw 0.5 := wo 1.5 := wx 0.0001 0.001 , 20 .. := i1 () 0.5 := Re i 0 = Im i 1 = Eo(w,wo) represents the electric field magnitude as a function of frequencies peaked at wo. You can adjust wo. Eo wx wo , ( ) eo e wx wo 2 dw 2 := 051 0 0 1 2 Eo wx wo , wx IONIC CRYSTAL AND METAL PERMITIVITIES ε := wp 10 16 := τ 10 wp := ε o1 := ε s 4.90 2.34 := wT 2.26 10 13 := γ 10 11 := ε Ionic wx ε o wT 2 w 2 ε o ε s 1i γ w + wT w 2 + := ε Metal w ε wp w w wp i wp τ + := ε Ionic wx ε o 1 wx 2 ε o ε s γ wx wT + 1 wx 2 + := wx= w/wT wy = w/wp wx=w x τ = 10ω/ω p ε Metal wx ε 1 wx wp τ i wp τ + wx wp τ := ε Metal2 wy ε 1 wy i wp τ + wy :=
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ε w () ε Ionic w := page 2 Complex Index of Refraction : ε w ε Metal w := R w () R
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wave.motion.plasma.2008 - Wave motion in a medium This...

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