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An experimental analysis of the fractional quantum Hall effect is described in which oscillations in ρₓₓ are treated as Shubnikov--de Haas oscillations of the composite fermions (CF) formed by a flux attachment transformation. We find a CF effective mass of 0.5mₑ at zero effective field which increases weakly with effective magnetic field at a rate independent of carrier density. The CF quantum scattering times are the same as for the underlying single particle electron states.
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Leadley et al. (1994) studied this question.
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