In-Plane magnetoresistance obeys Kohler's rule in the pseudogap phase of cuprate superconductors

M. K. Chan, M. J. Veit, C. J. Dorow, Y. Ge, Y. Li, W. Tabis, Y. Tang, X. Zhao, N. Barišić, M. Greven

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Abstract

We report in-plane resistivity (ρ) and transverse magnetoresistance (MR) measurements for underdoped HgBa2CuO4+δ (Hg1201). Contrary to the long-standing view that Kohler's rule is strongly violated in underdoped cuprates, we find that it is in fact satisfied in the pseudogap phase of Hg1201. The transverse MR shows a quadratic field dependence, δρ/ρ0=aH2, with a(T)T-4. In combination with the observed ρT2 dependence, this is consistent with a single Fermi-liquid quasiparticle scattering rate. We show that this behavior is typically masked in cuprates with lower structural symmetry or strong disorder effects.

Original languageEnglish (US)
Article number177005
JournalPhysical review letters
Volume113
Issue number17
DOIs
StatePublished - Oct 21 2014

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