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Fidelity susceptibility and long-range correlation in the Kitaev honeycomb model

โœ Scribed by Yang, Shuo; Gu, Shi-Jian; Sun, Chang-Pu; Lin, Hai-Qing


Book ID
120283807
Publisher
The American Physical Society
Year
2008
Tongue
English
Weight
333 KB
Volume
78
Category
Article
ISSN
1050-2947

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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 ๐Ÿ‘ 1 views

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