paper

Fermi surface evolution in the antiferromagnetic state for the electron-doped t-t'-t''-J model

arXiv:cond-mat/0404522 · doi:10.1103/PhysRevB.69.214523

Abstract

By use of the slave-boson mean-field approach, we have studied the electron-doped t-t'-t''-J model in the antiferromagnetic (AF) state. It is found that at low doping the Fermi surface (FS) pockets appear around and , and upon increasing doping the other ones will form around . The evolution of the FS with doping as well as the calculated spectral weight are consistent with the experimental results.

Fig. 4 is updated, to appear in Phys. Rev. B

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