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Non-Fermi-liquid behavior for holes in doped two-dimensional antiferromagnets

✍ Scribed by Li, Jian-Xin; Gong, Chang-De


Book ID
121663356
Publisher
The American Physical Society
Year
1995
Tongue
English
Weight
208 KB
Volume
51
Category
Article
ISSN
1098-0121

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πŸ“œ SIMILAR VOLUMES


Properties of doped holes in the antifer
✍ G. Vignale; M.R. Hedayati πŸ“‚ Article πŸ“… 1989 πŸ› Elsevier Science 🌐 English βš– 128 KB

We calculate the self-energy of a single hole in the half-filled antlferromaguetic two-dimensional Hubbard model. The minimum energy occurs at k = (7r/2, 7r/2) and is 37% lower than in Hartree-Fock. The hole lifetime tends to infinity for low-lying states, showing that quasiholes are well-defined ex