| 摘要 |
Free suspension of matter comprising granular materials, liquids or plasmas, is of considerable interest in studying properties under controlled physical conditions. We describe a method for trapping bubbles of conductive matter in circularly polarized magnetic fields. In the preferred embodiments, the bubble assumes the topology of a torus or a hollow torus. We disclose the conditions for energy and pressure equilibrium for a fully ionized plasma. By suitable arrangement of current loops, the applied magnetic field can form a stable trap for exothermal plasmas.
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