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Quantum fluctuations beyond the Gutzwiller approximation
We present a simple scheme to evaluate linear response functions including quantum fluctuation corrections on top of the Gutzwiller approximation. The method is derived for a generic multiband lattice Hamiltonian without any assumption about the dynamics of the variational correlation parameters tha...
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| 出版年: | Phys Rev B |
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| 第一著者: | |
| フォーマット: | Artigo |
| 言語: | Inglês |
| 出版事項: |
2017
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| 主題: | |
| オンライン･アクセス: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5424883/ https://ncbi.nlm.nih.gov/pubmed/28503672 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1103/PhysRevB.95.075156 |
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