Hg-1201 is a single layer cuprate with a. simple ... Fermi. Liquid. Pseudo. gap. Temperature. 0. P (holes/Cu) QCP ? Another (but related) explanation: ...
Effective p-d Hubbard model. AFM exchange and spin-fluctuation pairing ... and commutator is for he Bose-like operators as Xis s, Xi 22, e.g. the spin operators: ...