Formation of collisionless high-β plasmas by odd-parity rotating magnetic fields

S. A. Cohen, B. Berlinger, C. Brunkhorst, A. Brooks, N. Ferraro, D. P. Lundberg, A. Roach, A. H. Glasser

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Abstract

Odd-parity rotating magnetic fields (RMFo) applied to mirror-configuration plasmas have produced average electron energies exceeding 200 eV at line-averaged electron densities of ∼1012cm-3. These plasmas, sustained for over 103τAlfven, have low Coulomb collisionality, vc* L/λC∼10-3, where λC is the Coulomb scattering mean free path and L is the plasma's characteristic half length. Divertors allow reduction of the electron-neutral collision frequency to values where the RMFo coupling indicates full penetration of the RMFo to the major axis.

Original languageEnglish (US)
Article number145002
JournalPhysical review letters
Volume98
Issue number14
DOIs
StatePublished - Apr 5 2007

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Cohen, S. A., Berlinger, B., Brunkhorst, C., Brooks, A., Ferraro, N., Lundberg, D. P., Roach, A., & Glasser, A. H. (2007). Formation of collisionless high-β plasmas by odd-parity rotating magnetic fields. Physical review letters, 98(14), [145002]. https://doi.org/10.1103/PhysRevLett.98.145002