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Interpretations of ground-state symmetry breaking and strong correlation in wavefunction and density functional theories

Strong correlations within a symmetry-unbroken ground-state wavefunction can show up in approximate density functional theory as symmetry-broken spin densities or total densities, which are sometimes observable. They can arise from soft modes of fluctuations (sometimes collective excitations) such a...

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Bibliografiske detaljer
Udgivet i:Proc Natl Acad Sci U S A
Main Authors: Perdew, John P., Ruzsinszky, Adrienn, Sun, Jianwei, Nepal, Niraj K., Kaplan, Aaron D.
Format: Artigo
Sprog:Inglês
Udgivet: National Academy of Sciences 2021
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC7848740/
https://ncbi.nlm.nih.gov/pubmed/33472975
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.2017850118
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