piège de Penning

[1986] Geonium theory: Physics of a single electron or ion in a Penning trap ; Lowell S. Brown ; Gerald Gabrielse ; Reviews of Modern Physics 58 (1986) p. 233 [lien]
[2013] How does a magnetic trap work? ; J. Pérez-Ríos ; A. S. Sanz ; American Journal of Physics 81 (nov 2013) p. 836 [lien]