= J. H. Smet
{c}
{tag=Physicist}
An experimental <physicist> who studied <composite fermions> using patterned <antidot> arrays in a <two-dimensional electron gas>. Near half filling of a <Landau level>, periodic arrays produced geometric resonances when the effective orbits matched the array spacing; random arrays did not. This comparison tested the orbital picture through a deliberately controlled scattering geometry.<Composite fermions in periodic and random antidot lattices by J. H. Smet and others>[Abstract: periodic versus random arrays and commensurability effects near filling one half]{ref}
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