Additive quasiparticle and vortex Hall conductivities in La2-xSrxCuO4 and untwinned YBa2Cu3O6.93

J. M. Harris, Nai Phuan Ong, P. Matl, R. Gagnon, L. Taillefer, T. Kimura, K. Kitazawa

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Abstract

The flux-flow Hall conductivity σxy in untwinned YBa2Cu3O6.93 (YBCO) is determined from Hall and resistivity measurements with the current applied along the a and the b axes. We show that sign reversal results from competition between a positive quasiparticle current (∼H) and a negative vortex-motion term (∼1/H). The Hall drag coefficient in YBCO is measured to be α(T)=-4.4×10-8(1-T/Tc) N s/m2 (75<T<93 K). In single-crystal La2-xSrxCuO4, a similar decomposition into quasiparticle and vortex currents (both positive) is possible even though σxy shows no sign reversal.

Original languageEnglish (US)
Pages (from-to)12053-12056
Number of pages4
JournalPhysical Review B
Volume51
Issue number17
DOIs
StatePublished - Jan 1 1995

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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    Harris, J. M., Ong, N. P., Matl, P., Gagnon, R., Taillefer, L., Kimura, T., & Kitazawa, K. (1995). Additive quasiparticle and vortex Hall conductivities in La2-xSrxCuO4 and untwinned YBa2Cu3O6.93. Physical Review B, 51(17), 12053-12056. https://doi.org/10.1103/PhysRevB.51.12053