Super-Atom Representation of High-TC Superconductivity

Details Super-Atom Representation of High-TC Superconductivity Super-Atom Representation of High-TC Superconductivity

2010-07-23

arxiv.org/abs/1007.4115v1

Physics

Condensed Matter

Superconductivity

25 pages, 4 figures

Scientific paper

A resonating valence bond RVB approach is taken to demonstrate formation of real-space Cooper pairs and High-TC superconductivity HTS. Non-adiabatic coupling between holes aggregates (super-atoms) and undoped anti-ferromagnet cause virtual excitations in either system due to inter-system coupling. HTS is said to reflect cooperative co-existence of two Bose-Einstein condensates in terms of one real-space Cooper pair condensate, and a second magnon condensate, which form at the same critical temperature. TC is formulated in terms of the super-exchange interaction. Connection is made to an equivalent real-space BCS formulation of HTS. Novel perspectives on the HTS in the electron-doped Sr1-xLaxCuO2 and Nd2-xCexCuO4 emerge.

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