Theory using dynamical high-temperature expansion and optical-lattice hard-core boson experiments show excellent agreement on spin diffusion constants in the finite-temperature square-lattice XY model.
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Saturation of collisional resistivity to an interaction-independent value is observed in strongly interacting ultracold fermions in a 3D lattice and captured by a renormalized two-body scattering model.
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Finite-temperature spin diffusion in the two-dimensional XY model
Theory using dynamical high-temperature expansion and optical-lattice hard-core boson experiments show excellent agreement on spin diffusion constants in the finite-temperature square-lattice XY model.
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Lattice Unitarity: Saturated Collisional Resistivity in Hubbard Metals
Saturation of collisional resistivity to an interaction-independent value is observed in strongly interacting ultracold fermions in a 3D lattice and captured by a renormalized two-body scattering model.