English

Superatom Representation of High-TC Superconductivity Revisited

Superconductivity 2015-06-03 v1 Mesoscale and Nanoscale Physics Strongly Correlated Electrons

Abstract

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.

Keywords

Cite

@article{arxiv.1111.3190,
  title  = {Superatom Representation of High-TC Superconductivity Revisited},
  author = {Itai Panas},
  journal= {arXiv preprint arXiv:1111.3190},
  year   = {2015}
}

Comments

25 pages, 2 figures. arXiv admin note: substantial text overlap with arXiv:1007.4115