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Quasi-two-dimensional electron gas at metallic densities

机译:金属密度下的准二维电子气

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摘要

We consider the three-dimensional electron gas confined by a strictly two-dimensional homogeneous positive charge density at z=0. Within the Hartree-Fock approximation, we study the mode structure in the confined direction in the metallic regime. We find that for r_s<13 (r_s<2.5) the unpolarized (polarized) electron gas starts to populate also the first-excited state in the z direction.
机译:我们考虑在z = 0处由严格的二维均匀正电荷密度限制的三维电子气。在Hartree-Fock逼近中,我们研究了金属状态下有限方向的模态结构。我们发现,对于r_s <13(r_s <2.5),未极化(极化)的电子气也开始在z方向上填充第一激发态。

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