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Spin-charge separation in the 1D Hubbard model with longer-range hopping

โœ Scribed by C.W.M. Castleton; M.W. Long


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
211 KB
Volume
235-240
Category
Article
ISSN
0921-4534

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Charge- and spin-susceptibilities in the
โœ S. Yunoki; K. Tsutsui; Y. Ohta; S. Maekawa ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 203 KB

Effects of long-range Coulomb interaction in one-dimensional electron systems are studied. By using a quantum Monte Carlo method, we obtain that the zero-frequency wave-number dependent charge susceptibility at quarterfilling shows both 2kF and 4kF singularities, kF being the Fermi wave munber, in c