2006•Physical Review LettersOpen access

Physics of the Resonating Valence Bond (Pseudogap) State of the Doped Mott Insulator: Spin-Charge Locking

Philip W. Anderson

Abstract

The properties of the pseudogap phase above T(C) of the high-T(C) cuprate superconductors are described by showing that the Anderson-Nambu SU(2) spinors of a resonating valence bond spin gap "lock" to those of the electron charge system because of the resulting improvement of kinetic energy. This enormously extends the range of the vortex liquid state in these materials. A heuristic description of the nonlocal electrodynamics of this pseudogap-vortex liquid state is proposed.

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Key concepts: Pseudogap, Mott insulator, Physics, Condensed matter physics, Valence bond theory, Superconductivity, Cuprate, Valence (chemistry)