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5 papers · 1 filter
Cu NMR evidence for enhanced antiferromagnetic correlations around Zn impurities in YBa2Cu3O6.7
M. -H. Julien, T. Feher, M. Horvatic +5
Doping the high-Tc superconductor YBa2Cu3O6.7 with 1.5 % of non-magnetic Zn impurities in CuO2 planes is shown to produce a considerable broadening of 63Cu NMR spectra, as well as…
How large can be SDW and CDW apmlitudes in underdoped cuprates
M. Eremin, S. Varlamov, I. Eremin
Self-consistent calculation of spin (charge) density wave order (SDW/CDW) parameters have been performed for bilayered cuprates on the basis of a singlet correlated band model. Evo…
ESR study in lightly doped La_(1-x)Sr_(x)MnO_(3)
V. A. Ivanshin, J. Deisenhofer, H. -A. Krug von Nidda +4
This is the first systematic ESR investigation of La_(1-x)Sr_(x)MnO_(3) single crystals for Sr concentrations x < 0.2. The rich phase diagram of this compound, which is dominated b…
Antiferromagnetism in hydrated 123 compounds
A. V. Dooglav, A. V. Egorov, I. R. Mukhamedshin +8
Copper nuclear quadrupole resonance (NQR) and zero field nuclear magnetic resonance (ZFNMR) studies of YBaCuO show that a magnetic phase appears in underdoped 123 s…
On Quantization of Polynomial Momentum Observables
Dmitry A. Kalinin
The paper is devoted to quantization of polynomial momentum observables in the cotangent bundle of a smooth manifold. A quantization procedure is proposed allowing to quantize a wi…