Hall effect in the normal state of high Tc cuprates

Details Hall effect in the normal state of high Tc cuprates Hall effect in the normal state of high Tc cuprates

2003-10-06

arxiv.org/abs/cond-mat/0310116v1

Physics

Condensed Matter

Superconductivity

7 pages, 11 figures

Scientific paper

We propose a model for explaining the dependence in temperature of the Hall effect of high Tc cuprates in the normal state in various materials. They all show common features: a decrease of the Hall coefficient RH with temperature and a universal law, when plotting RH(T)/RH(T0) versus T/T0, where T0 is defined from experimental results. This behaviour is explained by using the well known electronic band structure of the CuO2 plane, showing saddle points at the energies ES in the directions (0,+/-pi) and (+/-pi,0). We remark that in a magnetic field, for energies E>ES the carrier orbits are hole-like and for E

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