Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2010-09-20
Phys.Rev.B 82 (2010)
Physics
Condensed Matter
Strongly Correlated Electrons
15 pages, 8 figures
Scientific paper
10.1103/PhysRevB.82.245116
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 $r_s<1.3$ ($r_s<2.5$) the unpolarized (polarized) electron gas starts to populate also the first excited state in the $z$-direction.
Bernu Bernard
Delyon F.
Holzmann Markus
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