A Brief Introduction to Space Plasma Physics.pdf - Institute of ...

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ϕ = −r λ qe D 4π ε 0 r •The Debye length ( ) is where n is the electron number density and now e is the electron charge. •The number of particles within a Debye sphere N D 3 4π nλ = D 3 λ needs to be large for shielding to occur (N D >>1). Far from the central charge the electrostatic force is shielded. D λ D ⎛ 0kT = ⎜ ne 2 ⎝ ε ⎞ ⎟ ⎠ 1 2
Page 1 and 2: ESS 200C - Space Plasma Physics Win
Page 3 and 4: Space Plasma Physics • Space phys
Page 5 and 6: - Galileo theorized that aurora is
Page 7 and 8: The Plasma State • A plasma is an
Page 9 and 10: • B acts to change the motion of
Page 11: • The electric field can modify t
Page 14 and 15: • The change in the direction of
Page 16 and 17: • Maxwell’s equations - Poisson
Page 18 and 19: • Maxwell’s equations in integr
Page 20 and 21: • For a coordinate in which the m
Page 22 and 23: B r • The force is along and away
Page 24: - As particles bounce they will dri
Page 27 and 28: The Properties of a Plasma • A pl
Page 29 and 30: • For monatomic particles in equi
Page 31: • What makes an ionized gas a pla
Page 35 and 36: - The frequency of this oscillation
Page 37 and 38: • Magnetohydrodynamics (MHD) - Th
Page 39 and 40: u s ⋅∇ u s 0 - The term means t
Page 41: • Maxwell’s equations r ∂B r
Page 44 and 45: - On time scales much shorter than
Page 46 and 47: 2 - bˆ B ⋅∇B ˆ ˆ∇B cancels
Page 48 and 49: • The exponent gives the phase of
Page 50 and 51: • MHD waves - natural wave modes
Page 52 and 53: ∂p ∂x • Since = 0 , = 0 and =
Page 54 and 55: • Compressible solutions - In gen
Page 56 and 57: - For a plane wave solution - The d
Page 58 and 59: • Alfven waves propagate parallel

A Brief Introduction to Space Plasma Physics.pdf - Institute of ...

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