Determination of the chemical potential and the energy of the ν=1/2 FQHE system for low temperatures

Details Determination of the chemical potential and the energy of the ν=1/2 FQHE system for low temperatures Determination of the chemical potential and the energy of the ν=1/2 FQHE system for low temperatures

2001-03-14

arxiv.org/abs/cond-mat/0103307v2

Eur. Phys. J. B 22, 43 (2001)

Physics

Condensed Matter

Strongly Correlated Electrons

9 Revtex pages, 1 eps figure, using style files pst-feyn.sty, pst-key.sty, typos corrected, one subsection added

Scientific paper

10.1007/PL00011134

We consider the energy density of a spin polarized $\nu=1/2$ system for low temperatures. We show that due to the elimination of the magnetic field and the field of the positive background charge in the calculation of the grand canonical potential of Chern-Simons systems through a mean field formalism one gets corrections to the well known equations which determine the chemical potential and the energy from the grand canonical potential. We use these corrected equations to calculate the chemical potential and the energy of the $\nu=1/2$ system at low temperatures in two different approximations.

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