STABLE CORRUGATED STATE OF THE 2-DIMENSIONAL ELECTRON-GAS

Abstract

A corrugated and stable ground state is found for the two-dimensional electron gas in both the normal paramagnetic and the fully polarized phases. The self-consistent Hartree-Fock method is used with a modulated set of trial wave functions within the deformable jellium model. The results for high metallic densities reproduce the usual noncorrugated ferromagnetic electron-gas behavior. A transition to a paramagnetic corrugated state for values of r(s) almost-equal-to 6.5 is predicted. At lower densities r(s) almost-equal-to 30, a second transition to a corrugated ferromagnetic phase is suggested.