A "parallel current constraint" is derived, that in combination with the Poisson equation allows one to select admissible equilibria of non-neutral plasmas in a Malmberg-Penning trap in the presence of a nonuniform and nonaxisymmetric magnetic field. Asymmetry-induced currents (analogous to the Pfirsch-Schluter currents in Tokamaks) appearing in a non-neutral plasma even in the absence of magnetic drifts are explicitly computed in the case of a uniformly tilted magnetic field.
Admissible equilibria of non-neutral plasmas in a Malmberg-Penning trap / I. Kotelnikov, M. Romé. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 101:8(2008), pp. 085006.1-085006.4.
Admissible equilibria of non-neutral plasmas in a Malmberg-Penning trap
M. RoméSecondo
2008
Abstract
A "parallel current constraint" is derived, that in combination with the Poisson equation allows one to select admissible equilibria of non-neutral plasmas in a Malmberg-Penning trap in the presence of a nonuniform and nonaxisymmetric magnetic field. Asymmetry-induced currents (analogous to the Pfirsch-Schluter currents in Tokamaks) appearing in a non-neutral plasma even in the absence of magnetic drifts are explicitly computed in the case of a uniformly tilted magnetic field.
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