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We present experimental evidence from the ASDEX Upgrade tokamak of a robust relation between the edge radial pressure gradient and the global confinement of the plasma. This relation transcends the power flowing across flux surfaces near the edge and thus suggests that the usual model of cross-field heat flow is not appropriate.

Additional information

Authors: PITCHER C S ET AL, Max-Planck-Institüt für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Report: IPP 1/307 EN (1996) 12pp.
Availability: Available from the Max-Planck-Institut für Plasmaphysik, 85748 Garching bei München (DE)
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