In-Plane Magnetoresistance Obeys Kohler’s Rule in the Pseudogap Phase of Cuprate Superconductors (CROSBI ID 217276)
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Podaci o odgovornosti
Chan, K.H. ; ... ; Barišić, Neven ; Greven, M.
engleski
In-Plane Magnetoresistance Obeys Kohler’s Rule in the Pseudogap Phase of Cuprate Superconductors
We report in-plane resistivity (ρ ) and transverse magnetoresistance (MR) measurements for underdoped HgBa 2 CuO 4+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/ρ 0 =aH 2 , with a(T)∝T −4 . In combination with the observed ρ∝T 2 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
Cuprate Superconductors; In-Plane Magnetoresistance; Kohler’s Rule
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Podaci o izdanju
113
2014.
177005-1-177005-6
objavljeno
0031-9007
10.1103/PhysRevLett.113.177005