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Conserving approximations for the attractive Holstein and Hubbard modelsJ.K. Freericks. "Conserving approximations for the attractive Holstein and Hubbard models." Physical Review B 50 (1994): 403-417. |
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Conserving approximations for the attractive Holstein and Hubbard modelsJ.K. Freericks. "Conserving approximations for the attractive Holstein and Hubbard models." Physical Review B 50 (1994): 403-417. |
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