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Dynamical spin magnetic susceptibility in the 2D Hubbard model

โœ Scribed by Ferdinando Mancini; Hideki Matsumoto; Dario Villani


Book ID
112784215
Publisher
Springer
Year
1996
Tongue
English
Weight
139 KB
Volume
46
Category
Article
ISSN
0011-4626

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๐Ÿ“œ SIMILAR VOLUMES


Spin waves in the 2D Hubbard model beyon
โœ P.J.H. Denteneer; J.M.J. van Leeuwen ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 157 KB

The spin-wave velocity c for the repulsive Hubbard model on a square lattice at half-filling is calculated as the square root of spin stiffness over perpendicular susceptibility using the variational Monte Carlo method with Gutzwiller wave function. For 3 < U/t < 12, c increases by 34--15% compared