glossary:theta-pinch
CONCEPT dossier
Theta Pinch
Glossary term: Theta Pinch
CONCEPT Fusion Physics
01 Executive_Summary
A plasma formation technique in which a rapidly rising azimuthal (theta) magnetic field induces an axial current, compressing the plasma radially. Theta pinches are used to form FRCs.
02 Definition
A plasma formation technique in which a rapidly rising azimuthal (theta) magnetic field induces an axial current, compressing the plasma radially. Theta pinches are used to form FRCs.
03 Deep_Dive_Intelligence
Overview
A plasma formation technique in which a rapidly rising azimuthal (theta) magnetic field induces an axial current, compressing the plasma radially. Theta pinches are used to form FRCs.
Role: Glossary term: Theta Pinch
Entity Type: Concept — Theta Pinch is a technical concept or theoretical framework.
Technical Definition
A plasma formation technique in which a rapidly rising azimuthal (theta) magnetic field induces an axial current, compressing the plasma radially. Theta pinches are used to form FRCs.
Related Concepts: FRC, FRX, Reversed Field
05b Related_Topics (1)
07 Key_Findings
- ▸ Role: Glossary term: Theta Pinch
- ▸ Entity Type: Concept — Theta Pinch is a technical concept or theoretical framework.
- ▸ Related Concepts: FRC, FRX, Reversed Field
09 Timeline_Mentions (2)
1976
Scylla I-C Theta Pinch Experiments
Kenneth F. McKenna reports on basic plasma physics and advanced concepts using the Scylla I-C linear theta pinch at Los Alamos.
fusion-physics 1981
FRX-C experiment begins operation at LANL
FRX-C demonstrates R² confinement scaling — foundational FRC physics. Beta highest of any fusion confinement.
fusion-research10 FAQ
What is Theta Pinch? ▾
A plasma formation technique in which a rapidly rising azimuthal (theta) magnetic field induces an axial current, compressing the plasma radially. Theta pinches are used to form FRCs.
What role does Theta Pinch play in the research network? ▾
Theta Pinch is classified under the "Fusion Physics" category, serving as Glossary term: Theta Pinch. A plasma formation technique in which a rapidly rising azimuthal (theta) magnetic field induces an axial current, compressing the plasma radially. Theta pinches are used to form FRCs.
What evidence supports the Theta Pinch assessment? ▾
The intelligence assessment for Theta Pinch is supported by 4 primary sources. Key sources include "Formation studies of field-reversed configurations in a slow field-reversed theta pinch", "Plasma wall sheath contributions to flux retention during the formation of field-reversed configurations", and "Analysis on the formation of a FRC by flux measurements and MHD simulations". These documents provide the evidentiary basis for the analysis.
What is the technical definition of Theta Pinch? ▾
A plasma formation technique in which a rapidly rising azimuthal (theta) magnetic field induces an axial current, compressing the plasma radially. Theta pinches are used to form FRCs. Related Concepts: FRC, FRX, Reversed Field
What is the physics behind Theta Pinch? ▾
A plasma formation technique in which a rapidly rising azimuthal (theta) magnetic field induces an axial current, compressing the plasma radially. Theta pinches are used to form FRCs. Role: Glossary term: Theta Pinch Entity Type: Concept — Theta Pinch is a technical concept or theoretical framework.
What external sources document Theta Pinch? ▾
Theta Pinch is documented by 4 external sources, including 2 Journal Article (OSTI), 1 Journal Article (IOPscience), and 1 Encyclopedia Article. Notable references include "Formation studies of field-reversed configurations in a slow field-reversed theta pinch", "Plasma wall sheath contributions to flux retention during the formation of field-reversed configurations", and "Analysis on the formation of a FRC by flux measurements and MHD simulations".
How was information about Theta Pinch collected? ▾
Information about Theta Pinch was collected through open-source intelligence (OSINT) methods, analyzing 4 declassified documents and cross-referencing findings across the research network.
What is the current status of Theta Pinch? ▾
A plasma formation technique in which a rapidly rising azimuthal (theta) magnetic field induces an axial current, compressing the plasma radially. Theta pinches are used to form FRCs.
How does Theta Pinch relate to compact fusion research? ▾
Overview A plasma formation technique in which a rapidly rising azimuthal (theta) magnetic field induces an axial current, compressing the plasma radially. Theta pinches are used to form FRCs. Role: Glossary term: Theta Pinch Entity Type: Concept — Theta Pinch is a technical concept or...
What documents should I read to learn more about Theta Pinch? ▾
To learn more about Theta Pinch, review the 4 primary sources, and related research finding linked in the source documents section of this dossier.
External_References 5 REFS
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/pdfs/1979 April 18-20.pdf#page=101
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Glossary_Sources
Verified_Primary_Sources 4 SOURCES
primary osti.gov Journal Article (OSTI)
Formation studies of field-reversed configurations in a slow field-reversed theta pinch
Verifies: FRCs are formed in field-reversed theta pinches; Theta pinch formation involves field reversal and radial compression; Control over formation dynamics through end control coils
External Link ↗
primary osti.gov Journal Article (OSTI)
Plasma wall sheath contributions to flux retention during the formation of field-reversed configurations
Verifies: Flux loss during field reversal on theta pinch FRC formation; Conducting sheath limits flux loss during FRC formation
External Link ↗
primary iopscience.iop.org Journal Article (IOPscience)
Analysis on the formation of a FRC by flux measurements and MHD simulations
Verifies: Theta pinch formation involves implosion and magnetic reconnection; Separatrix radius at mid-plane is around one half of discharge tube radius
External Link ↗
secondary wikipedia.org Encyclopedia Article
Field-reversed configuration - Formation
Verifies: FRCs formed using theta-pinch method with axial magnetic field reversal; Gas pre-ionization freezes in bias field, then axial field is reversed
External Link ↗
ID: glossary:theta-pinch
Type: concept
Region: glossary
Last updated: Research database snapshot
Type: concept
Region: glossary
Last updated: Research database snapshot