Ground States of Constrained Systems: Application to Cerium Impurities
- 24 December 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 53 (26) , 2512-2515
- https://doi.org/10.1103/physrevlett.53.2512
Abstract
We present an extension of the density-functional theory to the lowest states compatible with arbitrary constraints. A broad class of interesting excitation problems connected with charge and magnetization fluctuations can be treated by such a method. We demonstrate the usefulness in ab initio calculations for Ce impurities.Keywords
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