SUM(2)×UC(1) Gauge Symmetry in High Tc Superconductivity
Wei-Min Zhang
Abstract
The square lattice structure of CuO2 layers and the strongly correlated property of electrons indicate that the high Tc superconductivity in cuprates can be described by a SOM(5) coherent pairing state in which a SUM(2)×UC(1) gauge symmetry is embedded. The spin and charge fluctuations that characterize the low energy magnetic excitations in cuprates are controlled by this intrinsic SUM(2)×UC(1) gauge symmetry.
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