Coherent magnetization

Onufrieva F., and Pfeuty P., (2002). Spin dynamics of a two-dimensional metal in a superconducting state Application to the high-Tc cuprates Phys. Rev. B 65 054515 Manske D., Eremin I., and Bennemann K.H., (2001). Analysis of the resonance peak and magnetic coherence seen in inelastic neutron scattering of cuprate superconductors A consistent picture with tunneling and conductivity data. Phys. Rev. B 63 054517. 

The thickness of the Helfrich wail is of the order of 2, where is the magnetic coherence length defined as H k/Xs) (see 3.4.1), and the wall energy per unit length... 

Debye-Hfickel screening parameter observed, nuclear and magnetic widths of neutron diffraction lines superlattice period Bohr magneton effective de Geimes factor magnetic coherence length density of states... 

Therefore, the width of the individual peals is a measure of the number of bilayers that scatter coherently, or equivalently, the magnetic coherence length In... 

Fig. 25. Magnetic coherence length vs the inverse of the Y layer spacing. Dy layers are decoiqrled when the Ylayer thickness exceeds 140A.

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