Theta-Pinch Formation (Reversed Bias Field)
Foundational experimental method for creating high-density FRC plasma targets.
01 Definition
A classical technique for forming FRCs by rapidly reversing an axial magnetic field around a pre-ionized bias plasma.
02 Detailed_Analysis
Field-Reversed Theta-Pinch (FRTP) formation is the classical method for establishing a Field-Reversed Configuration. A cylindrical gas volume is embedded with a steady negative bias magnetic field and pre-ionized; fast capacitor banks then rapidly apply a strong positive axial field, causing field-line reconnection at the ends of the coil. The resulting magnetic tension drives axial contraction, shock heating the plasma into a high-density, closed-field toroidal equilibrium.
03 Key_Facts
- ▸ Classical method used in early FRC experiments (e.g., FRX-L, TRX).
- ▸ Involves fast magnetic field reversal on microsecond timescales.
- ▸ Induces rapid axial contraction and shock heating of the plasma body.
- ▸ Produces dense, hot FRC targets suitable for translation and compression.
04 Deep_Dive_Intelligence
Overview
Intelligence asset in the Formation & Heating.
Entity Type: Concept — Theta-Pinch Formation (Reversed Bias Field) is a technical concept or theoretical framework.
06 Related_Terms (3)
09 FAQ
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Quick_Facts
- Category
- Fusion Physics
- Aliases
- Theta-Pinch Formation (Reversed Bias Field), theta-pinch-formation-reversed-bias-field, Field-Reversed Theta-Pinch (FRTP), Reversed-Bias Theta-Pinch
- Sources
- 0
- Related Terms
- 3