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Thermopower across the pseudogap critical point of La(1.6-x)Nd(0.4)Sr(x)CuO(4): Evidence for a quantum critical point in a hole-doped high-Tc superconductor
R. Daou, Olivier Cyr-Choinière, Francis Laliberté +6
The thermopower S of the high-Tc superconductor La(1.6-x)Nd(0.4)Sr(x)CuO(4) was measured as a function of temperature T near its pseudogap critical point, the critical hole doping…
Electron pockets in the Fermi surface of hole-doped high-Tc superconductors
David LeBoeuf, Nicolas Doiron-Leyraud, Julien Levallois +11
High-temperature superconductivity occurs as copper oxides are chemically tuned to have a carrier concentration intermediate between their metallic state at high doping and their i…
Linear-T resistivity and change in Fermi surface at the pseudogap critical point of a high-Tc superconductor
R. Daou, David LeBoeuf, Nicolas Doiron-Leyraud +9
A fundamental question of high-temperature superconductors is the nature of the pseudogap phase which lies between the Mott insulator at zero doping and the Fermi liquid at high do…
The Fermi surface and f-valence electron count of UPt3
G. J. McMullan, P. M. C. Rourke, M. R. Norman +6
Combining old and new de Haas-van Alphen (dHvA) and magnetoresistance data, we arrive at a detailed picture of the Fermi surface of the heavy fermion superconductor UPt3. Our work…
Quantum oscillations and the Fermi surface in an underdoped high-Tc superconductor
Nicolas Doiron-Leyraud, Cyril Proust, David LeBoeuf +6
Despite twenty years of research, the phase diagram of high transition- temperature superconductors remains enigmatic. A central issue is the origin of the differences in the physi…