The anisotropy of magnetic fuctuations propagating along the symmetric directions
in the ordered phase of uranium dioxide has been studied by applying the spherical neutron-spin polarimetry technique to inelastic neutron scattering. The dependence of
uctuation amplitudes and directions as a function of the quasi-particle wavevector q has been investigated along the main crystallographic directions. The observed behaviour is discussed in relation to the spin dynamics of the 3-k transverse magnetic structure. The observed polarization behavior of the spin waves, and in particular the acoustic mode, is shown to be a natural consequence of the transverse 3-k magnetic structure.
BLACKBURN Elizabeth;
CACIUFFO Roberto;
MAGNANI N.;
SANTINI P.;
BROWN P.J.;
ENDERLE M.;
LANDER Gerard;
2005-11-22
AMER INST PHYSICS
JRC30244
https://publications.jrc.ec.europa.eu/repository/handle/JRC30244,
10.1103/PhysRevB.72.184411,
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