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Creators/Authors contains: "Knap, Michael"

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  1. ; ; ; (, PRX Quantum)
    The realization of synthetic gauge fields for charge neutral ultracold atoms and the simulation of quantum Hall physics have witnessed remarkable experimental progress. Here, we establish key signatures of fractional quantum Hall systems in their nonequilibrium quantum dynamics. We show that in the lowest Landau level the system generically relaxes subdiffusively. The slow relaxation is understood from emergent conservation laws of the total charge and the associated dipole moment that arises from the effective Hamiltonian projected onto the lowest Landau level, leading to subdiffusive fracton hydrodynamics. We discuss the prospect of rotating quantum gases as well as ultracold atoms in optical lattices for observing this unconventional relaxation dynamics. 
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    Free, publicly-accessible full text available April 1, 2026
  2. ; ; ; ; ; ; ; ; (, Nature Physics)
  3. ; ; ; (, Physical Review B)
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