Microscopic model of cuprate superconductivity
✍ Scribed by Richard H. Squire; Norman H. March
- Book ID
- 104577025
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 842 KB
- Volume
- 110
- Category
- Article
- ISSN
- 0020-7608
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✦ Synopsis
Abstract
We present a model for cuprate superconductivity based on the identification of an experimentally detected “local superconductor” as a charge 2 fermion pairing in a circular, stationary density wave. This wave acts like a highly correlated local “boson” satisfying a modified Cooper problem with additional correlation stabilization relative to the separate right‐ and left‐handed density waves composing it. This local “boson” could be formed in a two‐bound roton‐like manner; it has Fermion statistics. Delocalized superconductive pairing (superconductivity) is achieved by a Feshbach resonance of two unpaired holes (electrons) resonating with a virtual energy level of the bound pair state of the local “boson” as described by the previously discussed Boson‐Fermion‐Gossamer (BFG) model. The spin‐charge order interaction offers a microscopic basis for the cuprate T~c~'s. The spin‐charge interaction correlates T~c~ with experimental inelastic neutron and electron Raman scattering is proposed, based on the energy of the virtual bound pair. These and other modifications discussed, suggest a BFG‐based microscopic explanation for the entire cuprate superconductivity dome shape. © 2010 Wiley Periodicals, Inc. Int J Quantum Chem, 2010
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