Resonant magnetic perturbations
Encyclopedia
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 tokamak
s. The efficiency of RMPs for controlling ELMs was first demonstrated on the tokamak DIII-D in 2003.
Magnetic field
A magnetic field is a mathematical description of the magnetic influence of electric currents and magnetic materials. The magnetic field at any given point is specified by both a direction and a magnitude ; as such it is a vector field.Technically, a magnetic field is a pseudo vector;...
perturbations used to control burning plasma
Plasma (physics)
In physics and chemistry, plasma is a state of matter similar to gas in which a certain portion of the particles are ionized. Heating a gas may ionize its molecules or atoms , thus turning it into a plasma, which contains charged particles: positive ions and negative electrons or ions...
instabilities called edge-localized modes (ELMs) in magnetic fusion devices such as tokamak
Tokamak
A tokamak is a device using a magnetic field to confine a plasma in the shape of a torus . Achieving a stable plasma equilibrium requires magnetic field lines that move around the torus in a helical shape...
s. The efficiency of RMPs for controlling ELMs was first demonstrated on the tokamak DIII-D in 2003.