Pseudogap opening, superconducting fluctuation and vortex-like excitation above Tc in slightly overdoped Bi2Sr2CaCu2O8+δ
Keywords: 74.72.âh; 74.40.+k; 74.25.Fy; 74.72.Hs; High-Tc compounds; Superconducting fluctuation; Pseudogap; Nernst effect;