Physics Basis for SPARC Papers Published

October 3, 2020

A set of papers on the physics basis for the proposed SPARC tokamak has been published in a special issue of the Journal of Plasma Physics. In the lead article, author Martin Greenwald, of the MIT Plasma Science and Fusion Center, notes that higher field magnet technology enables high performance "in devices of considerably smaller size and thus lower capital cost" than in similar tokamaks that use today's niobium-based magnet technology.

Other papers in the special issue treat details of the SPARC design and projected physics performance, including topics such as the divertor heat flux, disruptions, and the ICRF heating system. With a 10 second flat top pulse of current, SPARC aims to achieve a Q of at least 2 and possibly around 10.

The papers can be found at:


and/or at: