Inelastic neutron scattering reveals a temperature-dependent excitation continuum in K2Ni2(SO4)3 arising from quantum fluctuations on a hyper-trillium lattice of corner-sharing tetrahedra formed by dominant fourth- and fifth-neighbor exchanges.
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Spin-phonon coupling in Kitaev systems produces Fano lineshapes in Raman spectra whose temperature evolution and magnetic-field dependence encode the presence of Majorana fermions and Z2 gauge fluxes.
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Continuous spin excitations in the three-dimensional frustrated magnet K2Ni2(SO4)3
Inelastic neutron scattering reveals a temperature-dependent excitation continuum in K2Ni2(SO4)3 arising from quantum fluctuations on a hyper-trillium lattice of corner-sharing tetrahedra formed by dominant fourth- and fifth-neighbor exchanges.
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Footprints of the Kitaev spin liquid in the Fano lineshapes of the Raman active optical phonons
Spin-phonon coupling in Kitaev systems produces Fano lineshapes in Raman spectra whose temperature evolution and magnetic-field dependence encode the presence of Majorana fermions and Z2 gauge fluxes.