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Electron correlation in He and isoelectronic ions
- Source :
- European Journal of Physics. 25:91-100
- Publication Year :
- 2003
- Publisher :
- IOP Publishing, 2003.
-
Abstract
- The implications of the repulsive Coulombic interaction between two electrons are discussed. They lead to a general correlation property of the wavefunction when the two electrons are close to each other. The importance of this property is illustrated by including a simple correlation function in two pedagogically useful model wavefunctions for the ground state and (2p)(2) (3)p state of He and isoelectronic ions. It leads to a significant improvement in the predicted values for the energies and other properties.
Details
- ISSN :
- 13616404 and 01430807
- Volume :
- 25
- Database :
- OpenAIRE
- Journal :
- European Journal of Physics
- Accession number :
- edsair.doi.dedup.....c36511d958092df7f87bddb3f2ed0ec4