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- Title
Static spin susceptibility in the t- J model.
- Authors
Vladimirov, A.; Ihle, D.; Plakida, N.
- Abstract
Based on the equation-of-motion method for the relaxation function expressed in terms of Hubbard operators, we evaluate the static spin susceptibility and correlation functions in the two-dimensional t-J model. We show that at zero temperature, a long-range antiferromagnetic order exists in the lattice for the hole concentration δ < δc ≃ 0.018. The calculated dependences of the spin susceptibility and correlation length on the temperature and hole concentration agree qualitatively with the experiment.
- Subjects
ELECTRON configuration; ROTATIONAL motion; SUPERCONDUCTIVITY; HUBBARD model; SUPERCONDUCTORS; HEISENBERG uncertainty principle
- Publication
Theoretical & Mathematical Physics, 2007, Vol 152, Issue 3, p1331
- ISSN
0040-5779
- Publication type
Article
- DOI
10.1007/s11232-007-0117-x