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  1. 1 Acta Physica Polonica A

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  1. 1 1992

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  1. 1 Kozłowski P.

  2. 1 March N.

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Closed Relation Between Single-Particle Kinetic Energy and Electron Density in One-Dimensional Two-Level Systems

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Kozłowski P., March N.
Acta Physica Polonica A
|
1992
|
vol. 82
|
issue 3
421-424
EN
For a two-level problem in one dimension, an implicit relation is derived relating the kinetic energy density t_{s}(x) to the electron density ρ(x) plus its first and second derivatives. As an example, the harmonic oscillator potential is used to make this relation explicit.
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