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cond-mat.supr-con2010★ 32 cited
S-wave superconductivity with orbital dependent sign change in the checkerboard models of iron-based superconductors
Xiaoli Lu, Chen Fang, Wei-Feng Tsai +2
We study three different multi-orbital models for iron-based superconductors (iron-SCs) in the solvable limit of weakly coupled square plaquettes. The strongest superconducting (SC…
cond-mat.supr-con2010★ 102 cited
Spin waves in the magnetically ordered iron chalcogenide FeTe
O. J. Lipscombe, G. F. Chen, Chen Fang +7
We use inelastic neutron scattering to show that the spin waves in the iron chalcogenide FeTe display novel dispersion clearly different from those in the related iron pni…