Theory of doped Mott insulators: duality between pairing and magnetism

Details Theory of doped Mott insulators: duality between pairing and magnetism Theory of doped Mott insulators: duality between pairing and magnetism

2003-06-15

arxiv.org/abs/cond-mat/0306395v2

Phys. Rev. Lett. 92, 057003 (2004).

Physics

Condensed Matter

Superconductivity

4 pages, no figures, Submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.92.057003

By bosonizing the electronic t-J model exactly on any two-dimensional (2D) lattices, and integrating out the gauge fluctuations combined to slave particles beyond mean fields, we get a theory in terms of physical Cooper pair and spin condensates. In the sense of mutual Berry phase they turns out to be dual to each other. The mutual-duality is the missing key in the resonant-valance-bond idea\cite{rvb} to work as a paradigm of doped 2D Mott insulators. We argue that essential aspects of high-$T_c$ phenomenology find natural solutions in the theory. We also provide interesting predictions for systems on hexagonal lattices.

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