Resonant magnetic perturbations

Resonant magnetic perturbations (RMPs) are a special type of magnetic field perturbations used to control burning plasma instabilities called edge-localized modes (ELMs) in magnetic fusion devices such as tokamaks. The efficiency of RMPs for controlling ELMs was first demonstrated on the tokamak DIII-D in 2003.[1]

See also

Plasma instability
COMPASS tokamak
NSTX-U, also uses RMPs to control ELMs

References

T.E. Evans; et al. (2004). "Suppression of Large Edge-Localized Modes in High-Confinement DIII-D Plasmas with a Stochastic Magnetic Boundary" (Submitted manuscript). Physical Review Letters. 92 (23): 235003. Bibcode:2004PhRvL..92w5003E. doi:10.1103/PhysRevLett.92.235003. PMID 15245164.

Further reading

Effect of resonant magnetic perturbations on ELMs in connected double null plasmas in MAST

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