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Quasiparticle mass enhancement approaching optimal doping in a high-Tc superconductor
B. J. Ramshaw, S. E. Sebastian, R. D. McDonald +8
In the quest for superconductors with high transition temperatures (Ts), one emerging motif is that unconventional superconductivity is enhanced by fluctuations of a b…
Evidence for a small hole pocket in the Fermi surface of underdoped YBa2Cu3Oy
N. Doiron-Leyraud, S. Badoux, S. Rene de Cotret +13
The Fermi surface of a metal is the fundamental basis from which its properties can be understood. In underdoped cuprate superconductors, the Fermi surface undergoes a reconstructi…
Incipient charge order observed by NMR in the normal state of YBa2Cu3Oy
T. Wu, H. Mayaffre, S. Krämer +6
The pseudogap regime of high-temperature cuprates harbours diverse manifestations of electronic ordering whose exact nature and universality remain debated. Here, we show that the…