4 papers · 1 filter
An adjoint method for determining the sensitivity of island size to magnetic field variations
Alessandro Geraldini, Matt Landreman, Elizabeth Paul
An adjoint method to calculate the gradient of island width in stellarators is presented and applied to a set of magnetic field configurations. The underlying method of calculation…
Large gyro-orbit model of ion velocity distribution in plasma near a wall in a grazing-angle magnetic field
Alessandro Geraldini
A model is presented for the ion distribution function in a plasma at a solid target with a magnetic field inclined at a small angle, (in radians), to the targe…
Dependence on ion temperature of shallow-angle magnetic presheaths with adiabatic electrons
Alessandro Geraldini, Felix I Parra, Fulvio Militello
The magnetic presheath is a boundary layer occurring when magnetized plasma is in contact with a wall and the angle between the wall and the magnetic field is oblique…
Kinetic treatment of magnetized and collisionless plasma near a wall
Alessandro Geraldini
Charged particles gyrate around magnetic field lines, a property that is exploited to confine plasma in magnetic confinement fusion devices. Typically, the gyroradius is small comp…