Charge Effects and Josephson Plasma Resonance on Planar Defects in High-Temperature Superconductors

A. Gurevich; M. Tachiki

doi:10.1103/PhysRevLett.83.183

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Charge Effects and Josephson Plasma Resonance on Planar Defects in High-Temperature Superconductors

A. Gurevich, M. Tachiki

DOI 10.1103/PhysRevLett.83.183 · Physical Review Letters

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Abstract

We show that planar crystalline defects parallel to the ab planes in high- Tc superconductors (HTS) give rise to a localized Josephson plasma mode formed by a collective Coulomb interaction of interlayer junctions. This results in a pronounced satellite line in the real part of the complex resistivity R(ω), whose position and amplitude depend on the critical current density J0 and on the parameters of the charge interlayer coupling. The narrowness of the zero-field plasma peak in ReR(ω) enables one to probe the pairing symmetry of the interplane coupling by extracting the angular dependence of J0(θ) across twist grain boundaries in HTS bicrystals.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Bi2212 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown