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Technical LibraryGlossary of Fusion & Plasma Terms
Glossary

Critical Field

The magnetic field above which a superconductor stops superconducting.

Glossary of Fusion & Plasma TermsUpdated 2026-08-11

Each superconductor has a critical field beyond which superconductivity collapses. REBCO's is exceptionally high, which is what lets it reach the 16.84 T and 26.49 T fields Kronos needs.

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Content reviewed August 2026 · design-and-simulation stage