Lattice effect on the superexchange interaction in antiferromagnetic Bi${}_2$Sr${}_2$CaCu${}_2$O${}_8$

Jie Xin, Alexander G. Gavriliuk, Jia-Wei Hu +7

The in-plane superexchange interaction $J$ of cuprate superconductors has long been suggested to be an important parameter for exploring their high-temperature superconductivity. T…