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Field Dependence of the Ground State in the Exotic Superconductor CeCoIn: a Nuclear Magnetic Resonance Investigation
G. Koutroulakis, V. F. Mitrović, M. Horvatić +3
We report In nuclear magnetic resonance (NMR) measurements in CeCoIn at low temperature ( mK) as a function of magnetic field () from 2 T to 13.5 T a…
Comment on ``Texture in the Superconducting Order Parameter of CeCoIn Revealed by Nuclear Magnetic Resonance''
V. F. Mitrović, G. Koutroulakis, M. Klanjšek +4
The study of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state has been of considerable recent interest. Below the temperature which is believed to be the transition temperat…
Similar glassy features in the NMR response of pure and disordered La1.88Sr0.12CuO4
V. F. Mitrovic, M. -H. Julien, C. de Vaulx +4
High Tc superconductivity in La2-xSrxCuO4 coexists with (striped and glassy) magnetic order. Here, we report NMR measurements of the 139La spin-lattice relaxation, which displays a…
Controlling Luttinger liquid physics in spin ladders under a magnetic field
M. Klanjsek, H. Mayaffre, C. Berthier +8
We present a 14N nuclear magnetic resonance study of a single crystal of CuBr4(C5H12N)2 (BPCB) consisting of weakly coupled spin-1/2 Heisenberg antiferromagnetic ladders. Treating…
Electronic texture of the thermoelectric oxide Na0.75CoO2
M. -H. Julien, C. de Vaulx, H. Mayaffre +9
From 59Co and 23Na NMR, we demonstrate the impact of the Na+ vacancy ordering on the cobalt electronic states in Na0.75CoO2: at long time scales, there is neither a disproportionat…