Using spin density functional theory within the framework of the local spin density approximation with Perdew -Zunger type exchange-correlation energy, ferromagnetism in a quasi-two-dimensional electron gas (Q-2DEG) is studied. The electronic and magnetic structures of a thin film are calculated as
β¦ LIBER β¦
Coulomb inelastic lifetime of a quasi-particle in a two-dimensional electron gas
β Scribed by GabrieleF. Giuliani; J.J. Quinn
- Publisher
- Elsevier Science
- Year
- 1984
- Weight
- 39 KB
- Volume
- 142
- Category
- Article
- ISSN
- 0167-2584
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In the presence of a weak electromagnetic perturbation, it is shown that a bilayer quasi-two-dimensional spin polarized system exhibits coupled in-phase and out-of-phase charge and spin density resonant excitations. These modes occur when either the self-consistent magnetization or Coulomb interacti