The Phase Diagram of High-Tc Superconductors in the Presence of Dynamic Stripes

Details The Phase Diagram of High-Tc Superconductors in the Presence of Dynamic Stripes The Phase Diagram of High-Tc Superconductors in the Presence of Dynamic Stripes

2001-04-05

arxiv.org/abs/cond-mat/0104089v1

Physics

Condensed Matter

Superconductivity

8 pages, 4 figures

Scientific paper

10.1088/0953-8984/13/23/103

The phase diagram of superconducting copper oxides is calculated as a function of doping based on a theory of dynamic stripe induced superconductivity. The two major conclusions from the theory and the numerical analysis are that T* (the pseudogap onset) and Tc (superconductivity onset) are correlated through the pseudogap, which induces a gap in the single particle energies that persists into the superconducting state. By decreasing the doping the pseudogap Delta* increases and T* increases, but when Delta* exceeds a certain critical value the superconducting transition temperature Tc is suppressed. A mixed s- and d-wave pairing symmetry is also examined as function of doping.

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