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Spin correlation in kagomé ice state: neutron scattering study of the dipolar spin ice Dy 2 Ti 2 O 7 under magnetic field along [111] Abstract We have investigated the kagomé ice state in the frustrated pyrochlore oxide Dy 2 Ti 2 O 7 under magnetic field along a [111] axis. Spin correlations have been measured by neutron scattering and analyzed by Monte-Carlo simulation. The kagomé ice state, w...
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Geometrical frustration in magnetic materials often gives rise to exotic, low-temperature states of matter, such as the ones observed in spin ices. Here we report the imaging of the magnetic states of a thermally active artificial magnetic ice that reveal the fingerprints of a spin fragmentation process. This fragmentation corresponds to a splitting of the magnetic degree of freedom into two ch...
متن کاملCharge ordering in a pure spin model: dipolar spin ice.
We study the dipolar spin-ice model at fixed density of single excitations, ρ, using a Monte Carlo algorithm where processes of creation and annihilation of such excitations are banned. In the limit of ρ going to zero, this model coincides with the usual dipolar spin-ice model at low temperatures, with the additional advantage that a negligible number of monopoles allows for equilibration even ...
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ژورنال
عنوان ژورنال: Journal of Glaciology
سال: 1978
ISSN: 0022-1430,1727-5652
DOI: 10.1017/s0022143000033815