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Staggered Currents in the Vortex Core
Jung Hoon Han, Qiang-Hua Wang, Dung-Hai Lee
We study the electronic structure of the vortex core in the cuprates using the U(1) slave-boson mean-field wavefunctions and their Gutzwiller projection. We conclude that there exi…
The Superfluid Density in the D-density-wave Scenario
Qiang-Hua Wang, Jung Hoon Han, Dung-Hai Lee
Recently Chakravarty, Laughlin, Morr and Nayak made an interesting proposal that the cuprate superconductors possess a hidden ``d-density wave'' order. We study the implication of…
Antiferromagnetism, Stripes, and Superconductivity in the t-J Model with Coulomb Interaction
Jung Hoon Han, Qiang-Hua Wang, Dung-Hai Lee
We study mean-field phases of the t-J model with long-range Coulomb interaction. In the order of increasing doping density we find a classical antiferromagnet, charge and spin stri…