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Effects of two-site local correlation in the 2D Hubbard model

✍ Scribed by H. Matsumoto; S. Odashima; F. Mancini; S. Marra

Book ID: 108025055
Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 211 KB
Volume: 263
Category: Article
ISSN: 0921-4534
DOI: 10.1016/0921-4534(95)00817-9

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The temperature and doping dependence of the 2D Hubbard model is studied in the intermediate coupling regime U 4: Strong 2D critical spin fluctuations dominating near half-filling are completely destroyed upon about 14% doping concentration, below which the imaginary part of the self-energy vanishes