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Correlation between linear resistivity and Tc in organic and pnictide superconductors
Nicolas Doiron-Leyraud, P. Auban-Senzier, S. Rene de Cotret +5
A linear temperature dependence of the electrical resistivity as T -> 0 is the hallmark of quantum criticality in heavy-fermion metals and the archetypal normal-state property of h…
Quasiparticle Heat Transport in BaKFeAs: Evidence for a k-dependent Superconducting Gap without Nodes
X. G. Luo, M. A. Tanatar, J. -Ph. Reid +10
The thermal conductivity of the iron-arsenide superconductor BaKFeAs ( 30 K) was measured in single crystals at temperatures down to $T \simeq 5…
Enhancement of the Nernst effect by stripe order in a high-Tc superconductor
Olivier Cyr-Choiniere, R. Daou, Francis Laliberte +12
The Nernst effect in metals is highly sensitive to two kinds of phase transition: superconductivity and density-wave order. The large positive Nernst signal observed in hole-doped…
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…
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…
Ambient-pressure bulk superconductivity deep in the magnetic state of CeRhIn5
Johnpierre Paglione, P. -C. Ho, M. B. Maple +4
Specific heat, magnetic susceptibility and electrical transport measurements were performed at ambient pressure on high-quality single crystal specimens of CeRhIn5 down to ultra-lo…