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18 papers · 1 filter
Decay of DNLS breathers through inelastic multiphonon scattering
Magnus Johansson
We consider the long-time evolution of weakly perturbed discrete nonlinear Schroedinger breathers. While breather growth can occur through nonlinear interaction with one single ini…
Staggered magnetization, critical behavior and weak ferromagnetic propert ies of LaMnO by muon spin rotation
M. Cestelli Guidi, G. Allodi, R. De Renzi +4
We present a study of a microtwinned single crystal of LaMnO by means of implanted muons. Two muon stopping sites are identified from the symmetry of the internal field in the…
Persistence of Li Induced Kondo Moments in the Superconducting State of Cuprates
J. Bobroff, H. Alloul, W. A. MacFarlane +4
We measure the magnetic susceptibility nearby Li spinless impurities in the superconducting phase of the high Tc cuprate YBaCuO. The induced moment which was found to exist above T…
Spin dynamics in Cuprates and its relation to superconductivity
Philippe Bourges
The relevance of magnetism for the mechanism responsible for high-temperature superconductivity remains an open and still interesting issue. The observation by inelastic neutron sc…
Reply to the comment on Low energy magnetic excitations of the Mn12-acetate spin cluster observed by neutron scattering
I. Mirebeau, M. Hennion, H. Casalta +4
Original paper from Mirebeau et al. PRL 83, 628, 1999 Comment from W. Bao et al (cond-mat/0008042, 2 Aug 2000 submitted to PRL, updated on 1 sep 2000
Structural and magnetic aspects of the metal insulator transition in CaSrRuO
O. Friedt, M. Braden, G. Andre +3
The phase diagram of CaSrRuO has been studied by neutron diffraction on powder and single-crystalline samples. The experiments reveal antiferromagnetic order and st…