Josephson Current and Dissipation of the c-Axis Transport in Magnetic Fields in Bi2Sr2CaCu2O8+δ
Minoru Suzuki, Takao Watanabe, Azusa Matsuda
DOI 10.1103/PhysRevLett.81.4248 · Physical Review Letters
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Abstract
We have measured the c-axis resistivity, magnetoresistance, current-voltage characteristics, and the maximum Josephson current Ic in magnetic fields H parallel to the c axis for a very thin mesa of a Bi2Sr2CaCu2O8+δ crystal, which is equivalent to 20 tunnel Josephson junctions in series. It is found that Ic decreases proportionally to H−1, which agrees with a recent theory and Josephson plasma resonance experiments. This provides a basis for the straightforward application of the Ambegaokar-Halperin theory to the dissipation mechanism of the c-axis transport.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2CaCu2O8+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 87 | Pressure unresolved | unknown |
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