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Spin density waves in the 1D Hubbard model

โœ Scribed by J.H. Samson


Book ID
113319396
Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
200 KB
Volume
140-144
Category
Article
ISSN
0304-8853

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โœ K.A. Chao ๐Ÿ“‚ Article ๐Ÿ“… 1972 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 236 KB
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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