Abstract
Abstract Simultaneous measurements of Hall effect and magneto resistance in high pulsed fields up to B=55 T are presented throughout the full temperature range on the high temperature superconductor La2−1/8Sr1/8CuO4 with T c =17 K . A direct comparison is made between the longitudinal resistivity (ρxx) and the Hall coefficient (RH). Both ρ xx 50 T (T) and R H 50 T show a distinct extremum around T=80 K ; with lowering temperatures, the field-induced normal state magneto-resistance diverges, the Hall angle increases and R H 50 T decreases up to a saturated value of 1.7×10 −9 m 3 / C . There is no obvious discontinuity in R H 50 T observed when crossing the superconducting/normal phase transition.
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