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Energy lowering of 2DEG by strong magnetic field

1993; American Physical Society; Volume: 71; Issue: 14 Linguagem: Inglês

10.1103/physrevlett.71.2288

1092-0145

Changhong Zhu,

Organic and Molecular Conductors Research

We study the two-dimensional interacting electrons in magnetic field. It is found that for systems with completely filled Landau levels, when the electron density and magnetic field are large enough, the total energy is lowered by magnetic field. The exchange Coulomb interaction is responsible for such a transition.