Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Plasmas
9 (2002), S. 1116-1124
ISSN:
1089-7674
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The presence of a strong magnetic field intrinsically changes the orbit of electrons in their Coulomb interactions with ions for a range of parameters. The characteristic scale for the orbit modification is r0=(Zme/4πε0B2)1/3 where Ze is the ion charge, me the electron mass, and B the magnetic field strength. The scale length is comparable to the interparticle spacing when ne1/3r0=(ωpe/ωce)2/3(Z/4π)1/3∼1 where ωpe/ωce are the electron plasma and cyclotron frequencies, respectively. For large angle scattering events we show complex chaotic scattering interaction events for low-energy electrons. The scattering angle has a fractal dependence on the impact parameter in the chaotic scattering intervals. The process is thought to be important in strongly magnetized, low-temperature plasmas, but the overall macroscopic effects remain to be determined. Test particle simulations are presented that show probability distributions are required to describe the outgoing states of the events with fixed impact parameter and energy which specify a unique Rutherford scattering angle. © 2002 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1459709
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