Phenomenological interpretations of the ac Hall effect in the normal state of YBa2Cu3O7

Details Phenomenological interpretations of the ac Hall effect in the normal state of YBa2Cu3O7 Phenomenological interpretations of the ac Hall effect in the normal state of YBa2Cu3O7

1997-06-03

arxiv.org/abs/cond-mat/9706029v3

Phys. Rev. B 57, 3089 (1998)

Physics

Condensed Matter

Superconductivity

12 pages, 6 figures, RevTeX, to be published in Phys Rev B, 1 Feb 1998. V.2: A figure of R_H(T) and a number of references are

Scientific paper

10.1103/PhysRevB.57.3089

Ac and dc magnetotransport data in the normal state of YBa2Cu3O7 are analyzed within Fermi-liquid and non-Fermi-liquid models. In the Fermi-liquid analysis we use the Fermi surface deduced from band structure calculations and angular resolved photoemission experiments and assume that the electron relaxation rate varies over the Fermi surface. The non-Fermi-liquid models are the two-dimensional Luttinger liquid model and the charge-conjugation-symmetry model. We find that the existing experimental data can be adequately fitted by any of these models. This work provides a framework for the analysis of experiments that may discriminate among these models.

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