In a dipole-conserving Bose-Hubbard chain, weak Hilbert-space fragmentation permits thermalization at weak interactions but yields nonergodicity at strong interactions, shown via analytical bounds on frozen states and exact diagonalization of entanglement, relaxation, and level statistics.
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A toolbox for controlling dynamical phase transitions and non-ergodic relaxation in spinor gases via spinor phases, including phase extraction from population dynamics and single-trace interaction inference.
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Weak Fragmentation and Thermalization in a Dipole-Conserving Bose-Hubbard Chain
In a dipole-conserving Bose-Hubbard chain, weak Hilbert-space fragmentation permits thermalization at weak interactions but yields nonergodicity at strong interactions, shown via analytical bounds on frozen states and exact diagonalization of entanglement, relaxation, and level statistics.
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Control of dynamical phase transitions and non-ergodic relaxation via spinor phases
A toolbox for controlling dynamical phase transitions and non-ergodic relaxation in spinor gases via spinor phases, including phase extraction from population dynamics and single-trace interaction inference.