Abstract
The density functional theory is used for the determination of a ground state of a quasi-two-dimensional electron[Formula: see text]hole liquid (EHL) in the presence of an external electric field. The Kohn[Formula: see text]Sham equations for electrons and holes are numerically solved. The binding energies of electron[Formula: see text]hole pair are calculated for various silicon surfaces. It is shown that EHL can exist on the (111) Si.
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