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Local structural motifs and extended-range order in liquid and solid ammonia under pressure
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Dynamic electron localization initiated by particle-bath coupling
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Local temperature of out-of-equilibrium quantum electron systems
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Mott localization in a pure stripe antiferromagnet Rb 1 - δ Fe 1.5 - σ S 2
A combination of neutron diffraction and angle-resolved photoemission spectroscopy measurements on a pure antiferromagnetic stripe ${\mathrm{Rb}}_{1{-}{\delta}}{\mathrm{Fe}}_{1.5{-}{\sigma}}{\mathrm{S}}_{2}$ is reported here. A neutron diffraction experiment on a powder sample shows that a $98$% volume fraction of the sample is in the antiferromagnetic stripe phase with rhombic iron vacancy order and a refined composition of ${\mathrm{Rb}}_{0.66}{\mathrm{Fe}}_{1.36}{\mathrm{S}}_{2}$, and that only $2$% of the sample is in the block antiferromagnetic phase with $\sqrt{5}\times{}\sqrt{5}$ iron vacancy order. Furthermore, a neutron diffraction experiment on a single crystal shows that there is only a single phase with the stripe antiferromagnetic order with the refined composition of ${\mathrm{Rb}}_{0.78}{\mathrm{Fe}}_{1.35}{\mathrm{S}}_{2}$, while the phase with block antiferromagnetic order is absent. Angle-resolved photoemission spectroscopy measurements on the same crystal with the pure stripe phase reveal that the electronic structure is gapped at the Fermi level with a gap larger than 0.325 eV. The data collectively demonstrate that the extra $10$% iron vacancies in addition to the rhombic iron vacancy order effectively impede the formation of the block antiferromagnetic phase; the data also suggest that the stripe antiferromagnetic phase with rhombic iron vacancy order is a Mott insulator.
Entanglement complexity in quantum many-body dynamics, thermalization, and localization
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Local and long-range order and the influence of applied magnetic field on single-crystalline NiSb 2 O 6
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Exploring one-particle orbitals in large many-body localized systems
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Global hyperon polarization at local thermodynamic equilibrium with vorticity, magnetic field, and feed-down
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