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5 papers · 2 filters
Theory of strongly phase fluctuating d-wave superconductors and the spin response in underdoped cuprates
Igor F. Herbut
General theory of d-wave quasiparticles coupled to phase fluctuations of superconducting order parameter is discussed. In the charge sector the superfluid density is found to confo…
Theory of spin response in underdoped cuprates as strongly fluctuating d-wave superconductors
Igor F. Herbut, Dominic J. Lee
We study the spin dynamics in underdoped cuprates at low temperatures by considering them as quasi two dimensional d-wave superconductors (dSC) with strong phase fluctuations. An e…
Multiband superconductivity in NbSe_2 from heat transport
Etienne Boaknin, M. A. Tanatar, Johnpierre Paglione +8
The thermal conductivity of the layered s-wave superconductor NbSe_2 was measured down to T_c/100 throughout the vortex state. With increasing field, we identify two regimes: one w…
Superconductivity and Field-Induced Magnetism in PrCeCuO Single Crystals
J. E. Sonier, K. F. Poon, G. M. Luke +6
We report muon-spin rotation/relaxation (muSR) measurements on single crystals of the electron-doped high-T_c superconductor PrCeCuO. In zero external magnetic fiel…
Magnetism and superconductivity in CeRh_{1-x}Ir_xIn_5 heavy fermion materials
G. D. Morris, R. H. Heffner, J. E. Sonier +6
We report on zero-field muon spin relaxation studies of cerium based heavy-fermion materials CeRh_{1-x}Ir_xIn_5. In the superconducting x=0.75 and 1 compositions muon spin relaxati…