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Friedel Transition in Layered Superconductors

M. Dzierzawa, M. Zamora, D. Baeriswyl, X. Bagnoud

DOI 10.1103/PhysRevLett.77.3897 · Physical Review Letters

T1

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Abstract

Weakly coupled superconducting layers are described by the anisotropic 3D XY model. A low-temperature layer decoupling due to a proliferation of fluxons between planes, as proposed by Friedel, does not occur. The same is true for a periodic superlattice of high and low Tc layers, although the interplane coherence can become extremely weak. On the other hand a true layer decoupling is found for a random stack.

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
YBa2Cu3O7

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—Pressure not reportedunknown

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