2008/03/29 by P.-A. Gourdain, P. -A. Gourdain, S. C. Cowley +2 · 2 citations
Engineering · Physics and Astronomy · #Classical mechanics #Diamagnetism #Equilibrium thermodynamics #Ionosphere and magnetosphere dynamics #Magnetic confinement fusion research #Magnetic field #Magnetohydrodynamic drive #Magnetohydrodynamics #Mechanics #Nuclear physics #Physics #Pinch #Plasma #Quantum mechanics #Stellarator #Superconducting Materials and Applications #Thermodynamic equilibrium #Thermodynamics #Tokamak #Toroid #physics.comp-ph #physics.plasm-ph
paper · pdf · doi:10.1016/j.physleta.2008.08.004
published in Physics Letters A 372(39), 6097-6100 (Elsevier BV)
arxiv created 2008/03/29 · openalex publication_date 2008/08/08 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
A new approach to high pressure magnetically-confined plasmas is necessary to design efficient fusion devices. This paper presents an equilibrium combining two solutions of the Grad-Shafranov equation, which describes the magnetohydrodynamic equilibrium in toroidal geometry. The outer equilibrium is paramagnetic and confines the inner equilibrium, whose strong diamagnetism permits to balance large pressure gradients. The existence of both equilibria in the same volume yields a dual equilibrium structure. Their combination also improves free-boundary mode stability.