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PHYS 7500 <strong>Plasma</strong> Transport Theory #3 c○Jeong-Young Ji 10<br />
where we have used<br />
n i<br />
τ ie<br />
= n e<br />
τ ei<br />
m e v Te<br />
m i v Ti<br />
θ (66)<br />
for the ion-electron coefficients.<br />
Problem 3-4 (20 pts). Ignoring all other coefficients not listed in Eqs. (50-59),<br />
express R e and R i in terms of moments with nonvanishing collision coefficients<br />
 ei ,  ie , and ˆB ie and show the momentum conservation law, R e + R i = 0.<br />
Assuming n 0k<br />
e = 0 for k > 0, show that<br />
Q i = −3µn e τ −1<br />
ei<br />
(T i − T e )<br />
and (the energy conservation law)<br />
<br />
Q e = −Q i − V ei · R e .<br />
Homework due: 10/19/2009