期刊
JOURNAL OF CHEMICAL PHYSICS
卷 157, 期 19, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0127190
关键词
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资金
- European Commission [891647-ReReDMFT]
- Netherlands Organisation for Scientific Research (NWO) [724.017.001]
This work reveals new insights into the changes in electronic structure caused by relativistic effects, showing a reduction in the average inter-electronic distance and an increase in the electron-electron repulsion energy.
While the effect of relativity in the electronic density has been widely studied, the effect on the pair probability, intracule, and extracule densities has not been studied before. Thus, in this work, we unveil new insights related to changes in the electronic structure caused by relativistic effects. Our numerical results suggest that the mean inter-electronic distance is reduced (mostly) due to scalar-relativistic effects. As a consequence, an increase in the electron-electron repulsion energy is observed. Preliminary results suggest that this observation is also valid when electronic correlation effects are considered. (C) 2022 Author(s).
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