Influence of spin fluctuations on the superconducting transition temperature and resistivity in the t-J model at large N

A. Greco, R. Zeyher

Spin fluctuations enter the calculation of the superconducting transition temperature T${}_c$ only in the next-to-leading order (i.e., in O(1/N${}^2$) of the 1/N expansion of the t-J m…