Title: Study of Coexistence of Anti-ferromagnetism and Superconductivity of Superconductors
Abstract:The coexistence of anti-ferromagnetism and superconductivity of superconductors were investigated in a renormalized mean field theory based on the Gutzwiller variational approach in the two dimensions...The coexistence of anti-ferromagnetism and superconductivity of superconductors were investigated in a renormalized mean field theory based on the Gutzwiller variational approach in the two dimensions hole-doped t-t′-J-U model.The effects on the coexistence were discussed.The anti-ferromagnetic order coexists with the d-wave superconductivity in the under doped region below the doping δ≤0.1.The anti-ferromagnetism orders are greatly enhanced with the increasing of the next-nearest-neighbor hopping(t′).The superconductivity order are slightly suppressed by t′ in under doped regions and enhanced in over doped,so the coexistence extends to the larger one.The ground state energy of the coexistent state is always lower than that of the pure superconductivity state.Read More
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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