Physics – Condensed Matter – Superconductivity
Scientific paper
2011-11-14
Physics
Condensed Matter
Superconductivity
25 pages, 2 figures. arXiv admin note: substantial text overlap with arXiv:1007.4115
Scientific paper
A "super-atom" conceptual interface between chemistry and physics is proposed in order to assist in the search for higher TC superconductors. High-TC superconductivity HTSC is articulated as the entanglement of two disjoint electronic manifolds in the vicinity of a common Fermi energy. The resulting HTSC ground state couples near-degenerate protected local "super-atom" states to virtual magnons in an antiferromagnetic AFM embedding. The composite Cooper pairs emerge as the interaction particles for virtual magnons mediated "self-coherent entanglement" of super-atom states. A H\"uckel type resonating valence bond RVB formalism is employed in order to illustrate the real-space Cooper pairs as well as their delocalization and Bose Einstein condensation BEC on a ring of super-atoms. The chemical potential \mu(BEC) for Cooper pairs joining the condensate is formulated in terms of the super-exchange interaction, and consequently the TC in terms of the Ne\'el temperature. A rationale for the robustness of the HTSC ground state is proposed: achieving local maximum "electron correlation entropy" at the expense of non-local phase rigidity.
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