Magnetic moment fragmentation in the quantum spin ice Nd2Zr2O7
Recent combined magnetization, inelastic and elastic neutron experiments demonstrate that the spin ice pyrochlore Nd2Zr2O7 allows to study a new mechanism called fragmentation. In this material, the emergent electromagnetic field characteristic of spin ice is found to fragment into a charged part, giving rise to a crystal of monopoles, and a divergence free part, which remains fluctuating, giving rise to a quasi-elastic pinch points pattern. Applying a magnetic field is expected to destabilize the fragmentation and recombine the two fragments. The present experiment is aimed at studying this recombination. To this end, we wish to measure the spin dynamics under an applied magnetic with H // [110]. A related proposal has been submitted on D23 to measure the associated field induced structure.
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LHOTEL Elsa; M. Ciomaga Hatnean; OLLIVIER Jacques and PETIT Sylvain. (2016). Magnetic moment fragmentation in the quantum spin ice Nd2Zr2O7. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-05-637
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