arXiv (OAI Expanded)
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Anomalous hydrodynamic fluctuations in the quantum XXZ spin chain
exactly-solvable-and-integrable-systemsquantum-gasesstatistical-mechanicsstrongly-correlated-electrons
The quantum XXZ spin-1/2 chain features non-Gaussian spin current fluctuations in the regime of easy-axis anisotropy. Using ballistic macroscopic fluctuation theory, we derive the exact probability distribution of typical spin-current fluctuations in thermal equilibrium. The obtained nested Gaussian
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