Bootstrap current: Difference between revisions

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The difference in particle density on banana orbits crossing a given radial position ''r'' then leads to a net toroidal current at ''r''.
The difference in particle density on banana orbits crossing a given radial position ''r'' then leads to a net toroidal current at ''r''.
The bootstrap current is estimated (roughly) as
The bootstrap current is estimated (roughly) as
<ref>K. Miyamoto, ''Plasma physics and controlled nuclear fusion'', Springer (2004) ISBN 3-540-24217-1</ref>
<ref>K. Miyamoto, ''Plasma Physics and Controlled Nuclear Fusion'', Springer-Verlag (2005) ISBN 3540242171</ref>


:<math>j_{b} \sim -\varepsilon^{1/2}\frac{1}{B_p}\frac{dp}{dr}</math>
:<math>j_{b} \sim -\varepsilon^{1/2}\frac{1}{B_p}\frac{dp}{dr}</math>

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