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Fermi-surface transformation across the pseudogap critical point of the cuprate superconductor LaNdSrCuO
C. Collignon, S. Badoux, S. A. A. Afshar +8
The electrical resistivity and Hall coefficient R of the tetragonal single-layer cuprate Nd-LSCO were measured in magnetic fields up to T, large enough to access…
Vertical line nodes in the superconducting gap structure of Sr2RuO4
Elena Hassinger, Patrick Bourgeois-Hope, Haruka Taniguchi +6
There is strong experimental evidence that the superconductor Sr2RuO4 has a chiral p-wave order parameter. This symmetry does not require that the associated gap has nodes, yet spe…
Thermal Conductivity of the Iron-Based Superconductor FeSe : Nodeless Gap with Strong Two-Band Character
P. Bourgeois-Hope, S. Chi, D. A. Bonn +6
The thermal conductivity of the iron-based superconductor FeSe was measured at temperatures down to 50 mK in magnetic fields up to 17 T. In zero magnetic field, the electronic resi…
Doping evolution of the superconducting gap structure in the underdoped iron arsenide Ba1-xKxFe2As2 revealed by thermal conductivity
J. -Ph. Reid, M. A. Tanatar, X. G. Luo +10
The thermal conductivity kappa of the iron-arsenide superconductor Ba1-xKxFe2As2 was measured for heat currents parallel and perpendicular to the tetragonal c axis at temperatures…