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Ferromagnetism in the one-dimensional Hubbard model with long-range electron hopping and long-range Coulomb interaction

✍ Scribed by Farkašovský, Pavol


Book ID
126250192
Publisher
EDP Sciences
Year
2014
Tongue
English
Weight
309 KB
Volume
107
Category
Article
ISSN
0295-5075

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✍ S. Yunoki; K. Tsutsui; Y. Ohta; S. Maekawa 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 203 KB 👁 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