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
On the relation between the Berry phase and one-dimensional models with long-range 1r2-interaction
✍ Scribed by S.A. Bulgadaev
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 458 KB
- Volume
- 176
- Category
- Article
- ISSN
- 0375-9601
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