A Real Space Description of the Superconducting and Pseudogap Phase

Details A Real Space Description of the Superconducting and Pseudogap Phase A Real Space Description of the Superconducting and Pseudogap Phase

2009-10-28

arxiv.org/abs/0910.5511v1

Physics

Condensed Matter

Strongly Correlated Electrons

6 pages, 7 figures

Scientific paper

In this work, we study the relationship between the superconducting phase and pseudogap phase in a real-space picture. We suggest that the superconducting ground states are guaranteed by the energy minimum charge structure of the quasi-one-dimensional Peierls chains (static vortex lines). It is shown that there is a charge ordering phase transition from the Peierls chains (the superconducting ground state) to the periodic chains (the superconducting excited state) in any superconductors. In our scenarios, all the superconducting electrons can be considered as the "inertial electrons"at some stable zero-force positions. Furthermore, we prove analytically that two electrons, due to a short-range real space Coulomb confinement effect (the nearest-neighbor electromagnetic interactions), can be in pairing inside a single plaquette with four negative ions. This implies that the pseudogap phenomenon can be found from a wide variety of materials, not just the cuprate superconductors.

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