Phys. Rev. Lett. 83, 3916–3919 (1999)Charge Order, Superconductivity, and a Global Phase Diagram of Doped AntiferromagnetsReceived 16 June 1999; published in the issue dated 8 November 1999 We investigate the interplay between lattice symmetry breaking and superconducting order in a two-dimensional model of doped antiferromagnets, with long-range Coulomb interactions and Sp(2N) spin symmetry, in the large- N limit. Our results motivate the outline of a global phase diagram for the cuprate superconductors. We describe the quantum transitions between the phases, the evolution of their fermion excitation spectrum, and the experimental implications. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.83.3916
DOI:
10.1103/PhysRevLett.83.3916
PACS:
74.20.Mn, 71.10.Fd, 74.72.-h
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