Thermal equilibrium properties of an intense ion beam with rotational and axial motion
- 1 February 1980
- journal article
- research article
- Published by AIP Publishing in Physics of Fluids
- Vol. 23 (2), 302-313
- https://doi.org/10.1063/1.862972
Abstract
The Vlasov equilibrium properties of a rotating, nonrelativistic, cylindrically symmetric ion beam propagating parallel to a uniform applied magnetic field B0êz are investigated. Equilibrium properties are calculated for the choice of ion beam distribution function corresponding to thermal equilibrium, i.e., fb0(H,Pϑ, Pz) = (const)exp[−(H+ωbPϑ−Vz Pz)/T], where H is the energy, Pϑ is the canonical angular momentum, Pz is the axial canonical momentum, Vz= const is the mean axial velocity, and −ωb=const is the angular velocity of mean rotation. The investigations include: (a) exact analytical solutions in special limiting cases, (b) properties of the general solutions, (c) necessary and sufficient conditions for radially confined equilibria, and (d) numerical solutions in regimes where solutions are not accessible analytically.Keywords
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