6533b86dfe1ef96bd12c9499
RESEARCH PRODUCT
Odd-even staggering in simple models of metal clusters
H. NishiokaH. NishiokaM. ManninenM. ManninenJ. Mansikka-ahoY. TakahashiY. Takahashisubject
PhysicsCuboidSimple (abstract algebra)Monte Carlo methodCondensed Matter::Strongly Correlated ElectronsElectronAtomic physicsGround stateReduction (mathematics)Atomic and Molecular Physics and OpticsHarmonic oscillatorComputational physicsMetal clustersdescription
The odd-even staggering of free-electron metal clusters is studied using several simple models: Noninter-acting electrons in a rectangular box, triaxial harmonic oscillator, and Huckel model. Finite temperature effects are studied using the Monte Carlo method. All the models show qualitatively similar odd-even staggering. In the ground state the HOMO-LUMO gap is larger than the neighbouring energy gaps. The reduction of the odd-even staggering due to exchange and correlation is studied using the local-spin-density approximation.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1994-12-01 | Zeitschrift f�r Physik D Atoms, Molecules and Clusters |