Abstract
The influence of spherical geometry on nonlocal radial electron heat transport has been studied using perturbation analysis . The nonlocal expression for the radial heat flux is obtained in the limit of large ion charge. The deviation of the spherical nonlocal heat transport from the planar theory has been investigated and it has been found that the space curvature can significantly modify the heat flux compared to the planar result when the delocalization length (that associated with the faster electrons which dominate energy transport) is comparable to the radius.
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