Separatrix: Difference between revisions
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* The boundary between closed and open field lines, separating the toroidally confined region from the region where field lines connect to material surfaces (such as divertors, limiters, or walls) - also known as the Scrape-Off Layer (SOL). This boundary is also called the Last Closed Flux Surface (LCFS). | * The boundary between closed and open field lines, separating the toroidally confined region from the region where field lines connect to material surfaces (such as divertors, limiters, or walls) - also known as the Scrape-Off Layer (SOL). This boundary is also called the Last Closed Flux Surface (LCFS). | ||
* The boundary between the inside of a magnetic island to the surrounding region. | * The boundary between the inside of a magnetic island to the surrounding region. | ||
== See also == | |||
* [[Flux surface]] | |||
== References == | == References == | ||
<references /> | <references /> | ||
Revision as of 21:21, 14 February 2010
A separatrix is a boundary between domains with distinct dynamical behaviour. [1] [2]
In the fusion context, the term is used to describe:
- The boundary between closed and open field lines, separating the toroidally confined region from the region where field lines connect to material surfaces (such as divertors, limiters, or walls) - also known as the Scrape-Off Layer (SOL). This boundary is also called the Last Closed Flux Surface (LCFS).
- The boundary between the inside of a magnetic island to the surrounding region.