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cond-mat.str-el2009
Coulomb Disorder Effects on ARPES and NQR Spectra in Cuprates
Wei Chen, Giniyat Khaliullin, Oleg P. Sushkov
The role of Coulomb disorder, either of extrinsic origin or introduced by dopant ions in undoped and lightly-doped cuprates, is studied. We demonstrate that charged surface defects…
cond-mat.str-el2009
Spin-wave velocities, density of magnetic excitations, and NMR relaxation in ferro-pnictides
Andrew Ong, Goetz S. Uhrig, Oleg P. Sushkov
We perform an analysis of the experimentally known temperature dependence of the staggered magnetization in the antiferromagnetic phase. This analysis allows us to put an upper lim…