Physics – Condensed Matter
Scientific paper
1999-04-10
Physics
Condensed Matter
Scientific paper
10.1103/PhysRevB.60.13070
We construct a class of projected SO(5) models where the Gutzwiller constraint of no-double-occupancy is implemented exactly. We introduce the concept of projected SO(5) symmetry where all static correlation functions are exactly SO(5) symmetric and discuss the signature of the projected SO(5) symmetry in dynamical correlation functions. We show that this class of projected SO(5) models can give a realistic description of the global phase diagram of the high T_c superconductors and account for many of their physical properties.
Arrigoni Enrico
Auerbach Assa
Hanke Werner
Hu Jiang-Ping
Zhang Shou-Cheng
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