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- Helmholtz-Zentrum Berlin für Materialien und EnergieDE153 papers
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4 papers · 2 filters
Photoproduction in semiconductors by onset of magnetic field
Hagen Kleinert, She-Sheng Xue
The energy bands of a semiconductor are lowered by an external magnetic field. When a field is switched on, the straight-line trajectories near the top of the occupied valence band…
Reverse engineering in many-body quantum physics: What many-body system corresponds to an effective single-particle equation?
J. P. Coe, K. Capelle, I. D'Amico
The mapping, exact or approximate, of a many-body problem onto an effective single-body problem is one of the most widely used conceptual and computational tools of physics. Here,…
Exact-exchange Kohn-Sham potential, surface energy, and work function of jellium slabs
C. M. Horowitz, C. R. Proetto, J. M. Pitarke
Exact-exchange self-consistent calculations of the Kohn-Sham potential, surface energy, and work function of jellium slabs are reported in the framework of the Optimized Effective…
Superpositions of Probability Distributions
Petr Jizba, Hagen Kleinert
Probability distributions which can be obtained from superpositions of Gaussian distributions of different variances v = σ^2 play a favored role in quantum theory and financial mar…