• N R Ray

      Articles written in Pramana – Journal of Physics

    • Observation of floating potential asymmetry in the edge plasma of the SINP tokamak

      Krishnendu Bhattacharyya N R Ray

      More Details Abstract Fulltext PDF

      Edge plasma properties in a tokamak is an interesting subject of study from the view point of confinement and stability of tokamak plasma. The edge plasma of SINP-tokamak has been investigated using specially designed Langmuir probes. We have observed a poloidal asymmetry of floating potentials, particularly the top-bottom floating potential differences are quite noticeable, which in turn produces a vertical electric field (Ev). This Ev remains throughout the discharge but changes its direction at certain point of time which seems to depend on applied vertical magnetic field (Bv).

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