Superconducting fluctuation in the Hall conductivity: An estimation of skew-scattering lifetime in YBa2Cu3O7−δ
Y. Matsuda, A. Fujiyama, S. Komiyama, S. Hikami, A. G. Aronov, T. Terashima, Y. Bando
DOI 10.1103/PhysRevB.45.4901 · Physical Review B
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Abstract
The diagonal and Hall conductivities in YBa2Cu3O7−δ have been studied above the mean-field transition temperature Tc. Hall conductivity deviates from H-linear dependence just above Tc. This deviation is attributed to a superconducting-fluctuation effect, and is analyzed in terms of a recent Hall-conductivity-fluctuation theory considering a skew-scattering effect. The skew-scattering lifetime τsk is shown to be of comparable magnitude to the inverse of the cyclotron frequency ωc−1. The normal-state Hall effect is discussed in the light of skew scattering.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 85.8 | Pressure not reported | unknown |
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