## Stellarator and Heliotron DevicesThis monograph describes plasma physics for magnetic confinement of high temperature plasmas in nonaxisymmetric toroidal magnetic fields or stellarators. The techniques are aimed at controlling nuclear fusion for continuous energy production. While the focus is on the nonaxisymmetric toroidal field, or heliotron, developed at Kyoto University, the physics applies equally to other stellarators and axisymmetric tokamaks. The author covers all aspects of magnetic confinement, formation of magnetic surfaces, magnetohydrodynamic equilibrium and stability, single charged particle confinement, neoclassical transport and plasma heating. He also reviews recent experiments and the prospects for the next generation of devices. |

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A good starting point for anyone trying to understand magnetic confinement in three dimensions. This book can be mathematically challenging at times for those new to plasma physics in the toroidal domain. The book has awkward sentence structure at times (but this is only minimal and may just be the readers mind getting ahead of himself). Each section starts off in a straight forward way but about a page or two in shifts gears without warning (the book could use sub sections). Otherwise it's a must have for anyone trying to understand these magnetic confinement devices.

### Contents

DESIGN PRINCIPLES OF COIL SYSTEMS IN | 7 |

A DESCRIPTION OF MAGNETICALLY | 55 |

THE MHD EQUILIBRIUM OF A TOROIDAL PLASMA | 101 |

MHD INSTABILITIES IN HELIOTRONS | 148 |

THE PARTICLE ORBIT IN HELIOTRONS | 229 |

### Common terms and phrases

alpha particles angle approximation assumed average axisymmetric becomes beta value bootstrap current boundary calculate coefficient coils collision component consider constant corresponds Coulomb collisions currentless curvature cyclotron cylindrical denotes density diffusion dispersion relation distribution function divertor divertor plate drift electric field electron energy expression finite-beta fluid frequency fusion reactor given guiding center gyrotron heat flux helical magnetic field helical ripple heliotron devices ICRF ideal MHD injection instability integral Larmor radius line of force linear magnetic field line magnetic island magnetic surface MHD equations MHD equilibrium neoclassical neoclassical transport noted obtained parameter particle flux particle orbit pellet perturbation Phys plasma current plasma physics poloidal potential radial electric field rational surface region resonant surface rotational transform satisfies separatrix shear shown in Fig solution stellarator and heliotron symmetric temperature term tokamak toroidal plasma torus trapped particle untrapped vacuum magnetic vector viscosity Vlasov equation wave