Variational density-functional theory for degenerate excited states
- 12 April 2001
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 63 (5) , 052502
- https://doi.org/10.1103/physreva.63.052502
Abstract
The variational time-independent density-functional theory for an individual excited state introduced recently [M. Levy and Á. Nagy, Phys. Rev. Lett. 83, 4361 (1999)] is extended to degenerate states.Keywords
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