arXiv:cond-mat/9506018 · Modern Physics Letters B
HARTREE–FOCK GROUND STATE OF THE COMPOSITE FERMION METAL
Piotr Sitko, Lucjan Jacak
Abstract
Within the Hartree–Fock approximation the ground state of the composite fermion metal is found. We observe that the single-particle energy spectrum is dominated by the logarithmic interaction exchange term which leads to an infinite jump of the single-particle exchange at the Fermi momentum. It is shown that the Hartree–Fock result brings no corrections to the RPA Fermi velocity.