Interaction dependence of composite fermion effective masses
Abstract
We estimate the composite fermion effective mass for a general two particle potential r-α using exact diagonalization for polarized electrons in the lowest Landau level on a sphere. Our data for the ground state energy at filling fraction =1/2 as well as estimates of the excitation gap at =1/3, 2/5 and 3/7 show that meff α-1.
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