Transcript sr2_2005_4.ppt

‫‪4‬שיעור‬
‫חלקיק טעון‬
‫בשדה‬
‫אלקטרומגנטי‬
1D electric field
Constant electric field
Potential electric field
Constant magnetic field
NR
Constant perpendicular fields
Change frame
Drifts (NR)
Gradient drift
Curvature drift
Adiabatic invariants 1
Adiabatic invariants 1I
Adiabatic invariants III
First invariant
Magnetic bottle and loss cone
Second invariant
Fermi acceleration
Third invariant
drift shell orbits
nonadiabatic
examples
1. shock transition
2. inhomogeneous E
Coulomb collisions
‫תדירות ההתנגשויות‬
runaway
1. Charged particle in a planar electromagnetic
wave (relativistic)
a) linear polarization
b) circular polarization
2. Van Allen belt currents
3. Curvature drift in pulsars
4. Gyroradii of cosmic rays near Earth