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The t-J model was first derived in 1977 from the Hubbard model by Józef Spałek. The model describes strongly correlated electron systems. It is used to calculate high temperature superconductivity states in doped antiferromagnets.
Additional recommended knowledge
The t-J hamiltonian is:
- annihilation and creation operators
σ - spin polarization
J - coupling constant J = 4t2 / U
U - coulomb repulsion
- spins on i and j node
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Model_t-J". A list of authors is available in Wikipedia.