Steady state thermoelectric field-reversed configurations

A. B. Hassam, R. M. Kulsrud, Robert James Goldston, Hantao Ji, M. Yamada

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

It is shown that the cross-field thermoelectric force of magnetized plasmas can maintain field-reversed configurations against resistive diffusion, resulting in a steady state device attractive for thermonuclear fusion. If a peaked radial temperature profile is maintained, the thermoelectric force is in the opposite direction to the usual resistive friction, thus maintaining the field configuration. The field maintenance is tantamount to dynamo action, operating even in two dimensions. We show that a steady state device can be made by simply heating the O-point: no external electric fields or particle sources are needed. The feasibility of this scheme for fusion is discussed.

Original languageEnglish (US)
Pages (from-to)2969-2972
Number of pages4
JournalPhysical review letters
Volume82
Issue number15
DOIs
StatePublished - 1999

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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