Formation of collisionless high-beta plasmas by odd-parity rotating magnetic fields |
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| Authors: | Cohen S A Berlinger B Brunkhorst C Brooks A Ferraro N Lundberg D P Roach A Glasser A H |
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| Institution: | Princeton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey, USA. |
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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 approximately 10(12) cm-3. These plasmas, sustained for over 10(3)tauAlfven, have low Coulomb collisionality, vc* triple bond L/lambdaC approximately 10(-3), where lambdaC 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. |
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