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Superfluidity of the Bose-Hubbard model: su (1,1) linearization scheme

โœ Scribed by Luigi Amico; Mario Rasetti; Riccardo Zecchina


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
596 KB
Volume
230
Category
Article
ISSN
0378-4371

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Spectral function of the 1D Hubbard mode
โœ Miklรณs Gulรกcsi; Kevin S. Bedell ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 207 KB

For the one-dimensional (1 D) Hubbard model, we extended the bosonization technique, away from half filling, in such a way that a general formula is obtained for the zero temperature equal-time single-particle Green function with validity over the whole doping range. With our method, we can calculat