Credit: Image courtesy of Bardoczi, L., et al., Perturbed Ion Temperature and Toroidal Flow Profile Measurements in Rotating Neoclassical Tearing Mode Magnetic Islands. Physical Review Letters 132, 065107 (2024).
Contour plot of electron temperature (left) and radial profiles of electron temperature (center) and ion temperature (right) across an island, with ion temperature showing a gradient observed experimentally (blue) and reproduced in simulations (red).