Physics – Condensed Matter – Superconductivity
Scientific paper
2001-01-16
Physics
Condensed Matter
Superconductivity
2 ps figures, IOP class and style files included
Scientific paper
We discuss how the quantum-critical-point scenario for high-T_c superconductors with density-driven charge order or stripe formation finds support from recent EXAFS experiments. Our phase diagram has the interesting feature, which is also suggested by the EXAFS experiments, that some cuprates may not show well-formed stripe phase. We also consider the extensions of the scenario to include the interesting possibility of first-order transitions which call for further experimental and theoretical investigation.
Caprara Sergio
Castro Carlo Di
Grilli Marco
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