Thinking about the Field Reversed Configuration magnet layout, it occurs to me it has 2 magnetic wells, each with a single cusp leading out. (And a line cusp leading to the other well.)
Magnetic wells highlighted in purple.
Idea: Positive charge on the outer magnetic toroids. An electron beam feeding an excess negative charge in pollywell style. Ion confinement and electron recirculation polywell style.
The daylight is uncomfortably bright for eyes so long in the dark.
The development of atomic power, though it could confer unimaginable blessings on mankind, is something that is dreaded by the owners of coal mines and oil wells. (Hazlitt)
What I want to do is to look up C. . . . I call him the Forgotten Man. (Sumner)
Magnetic containment, radio frequency induced heating. Appears to use a magrid like polywell. The radio frequency heating seems to be the added touch that allows for a more compact reactor than Bussard's scaling law would allow.
RF heating, neutral gas injection, let differential leakiness of the wiffleball produce a net charge without electron beams? Might work. As a bonus, could RF input plug cusps?
The daylight is uncomfortably bright for eyes so long in the dark.