Thermomagnetic effects above and below Tc in the cuprate superconductors

Jeffrey A. Clayhold; Y. Y. Xue; C. W. Chu; J. N. Eckstein; Ivan Bozovic

doi:10.1117/12.250230

5 July 1996 Thermomagnetic effects above and below T_c in the cuprate superconductors

Jeffrey A. Clayhold, Y. Y. Xue, C. W. Chu, J. N. Eckstein, Ivan Bozovic

Proceedings Volume 2697, Oxide Superconductor Physics and Nano-Engineering II; (1996) https://doi.org/10.1117/12.250230
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Two different thermomagnetic transport quantities, the electrothermal conductivity and the Nernst effect are shown to be powerful probes of high-temperature superconductors. In the vortex state below T_c, the electrothermal conductivity is independent of both the magnetic field and the cortex viscosity because it is sensitive only to the properties of the vortex normal cores. Some new data from cuprate superconductors show a surprising, low-field anomaly in the dilute vortex limit. Above T_c in the normal state, it is shown how the Nernst effect is a probe of transport anisotropy around the Fermi surface.

Citation Download Citation

Jeffrey A. Clayhold, Y. Y. Xue, C. W. Chu, J. N. Eckstein, and Ivan Bozovic "Thermomagnetic effects above and below T_c in the cuprate superconductors", Proc. SPIE 2697, Oxide Superconductor Physics and Nano-Engineering II, (5 July 1996); https://doi.org/10.1117/12.250230

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