Neutron scattering and regression analysis identify a vortex lattice in GeCo2O4 stabilized by substantial nearest-neighbor Kitaev interactions among Co2+ pseudospins.
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Non-Hermitian Gamma interaction in the transverse-field Ising chain creates a gapless phase with long-range spin-nematic order from PT symmetry breaking and produces dynamical spin-nematic signatures for phase characterization.
Visons in Kitaev models with Majorana Fermi surfaces have a gap that decreases with Fermi surface size, indicating quantum spin liquid instability.
Magnetic fields applied to anisotropic Kitaev chains produce ordered phases with four-site, large-unit-cell, and six-site uniform-chirality periodicities, explained by an effective model containing transverse Ising, Dzyaloshinskii-Moriya, and further-neighbor Ising interactions.
citing papers explorer
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Emergent Vortex Ordering in a Multiflavor Pyrochlore-Lattice Compound GeCo$_2$O$_4$
Neutron scattering and regression analysis identify a vortex lattice in GeCo2O4 stabilized by substantial nearest-neighbor Kitaev interactions among Co2+ pseudospins.
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Dynamical spin-nematic order in a transverse field Ising chain with non-Hermitian Gamma interaction
Non-Hermitian Gamma interaction in the transverse-field Ising chain creates a gapless phase with long-range spin-nematic order from PT symmetry breaking and produces dynamical spin-nematic signatures for phase characterization.
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Visons in Kitaev Spin Liquids with Majorana Fermi Surfaces
Visons in Kitaev models with Majorana Fermi surfaces have a gap that decreases with Fermi surface size, indicating quantum spin liquid instability.
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Field-Induced Ordered Phases in Anisotropic Spin-1/2 Kitaev Chains
Magnetic fields applied to anisotropic Kitaev chains produce ordered phases with four-site, large-unit-cell, and six-site uniform-chirality periodicities, explained by an effective model containing transverse Ising, Dzyaloshinskii-Moriya, and further-neighbor Ising interactions.