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P Sharma - Physics

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instabilities impose<br />

MHD-like dynamics<br />

[Bale et al. 2010]<br />

p⊥ −1<br />

p<br />

||<br />

≤<br />

S<br />

α<br />

β<br />

threshold imposed by hand<br />

to inc. Larmor radius physics<br />

pressure anisotropy can’t be large<br />

Larmor radius scale instabilities<br />

anisotropic viscous stress<br />

∂<br />

∂t<br />

2<br />

⎛⎛ ⎛⎛<br />

||<br />

( ) ⎜⎜<br />

B ⎞⎞ BB ⎛⎛ p − p<br />

ρV<br />

+ ∇ •<br />

⎜⎜<br />

ρVV<br />

+ ⎜⎜<br />

⎜⎜ p + − 1<br />

2<br />

⎝⎝<br />

8 ⎟⎟<br />

⎟⎟<br />

⊥<br />

I<br />

4<br />

⎜⎜<br />

⎜⎜ −<br />

⎝⎝ π ⎠⎠ π ⎝⎝ B<br />

⊥<br />

⎞⎞⎞⎞<br />

⎟⎟<br />

⎟⎟<br />

⎟⎟<br />

⎟⎟<br />

⎠⎠⎠⎠<br />

=<br />

0

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