Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 120, Issue 19, Pages 8906-8912Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1697374
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A new correlation measure, the product of the Shannon entropy power and the Fisher information of the electron density, is introduced by analyzing the Fisher-Shannon information plane of some two-electron systems (He-like ions, Hooke's atoms). The uncertainty and scaling properties of this information product are pointed out. In addition, the Fisher and Shannon measures of a finite many-electron system are shown to be bounded by the corresponding single-electron measures and the number of electrons of the system. (C) 2004 American Institute of Physics.
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