Many-Body Effects for Bound States in th
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L. Calmels; A. Gold
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Article
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1998
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John Wiley and Sons
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English
⚖ 160 KB
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We study the effects of screening on the binding energy of positively and negatively charged impurities in the quasi-one-dimensional electron gas. We assume a parabolic confinement for the electron gas. Many-body effects beyond the random-phase approximation and the valley degeneracy are taken into