Superconducting transition in doped Mott insulators: A bosonic resonating-valence-bond theory
Ming Shaw, Zheng-Yu Weng, C. S. Ting
DOI 10.1103/PhysRevB.68.014511 · Physical Review B
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Abstract
We study the superconducting transition in a doped Mott insulator described by the bosonic resonating-valence-bond theory. In this theory, antiferromagnetism and d-wave superconductivity are unified within a single framework. The superconducting condensation and spin correlations are mutually influenced by one another. Spin excitations play an important role of frustrations on the superconducting phase coherence at a finite temperature and control the transition temperature through a characteristic spin energy scale. We systematically investigate the superconducting transition by using duality transformations and a renormalization group analysis. The theory naturally connects the superconducting transition with the destruction of phase coherence and spin dynamics, in good agreement with experiment. The presence of staggered current loops and other related properties is also discussed.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| La3Ni2O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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