Interaction dependence of composite fermion effective masses release_xekuxcivczhnvgcfdtvaxhnipu

by Uwe Girlich

Released as a report .

1996  

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 ν=1/2 as well as estimates of the excitation gap at ν=1/3, 2/5 and 3/7 show that m_eff ∼α^-1.
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Type  report
Stage   submitted
Date   1996-12-02
Version   v1
Language   en ?
Number  DTP 96-57
arXiv  cond-mat/9612019v1
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