Many-body interference at the onset of chaos
arXiv:2209.06871 · doi:10.1103/PhysRevLett.130.080401
Abstract
We unveil the signature of many-body interference across dynamical regimes of the Bose-Hubbard model. Increasing the particles' indistinguishability enhances the temporal fluctuations of few-body observables, with a dramatic amplification at the onset of quantum chaos. By resolving the exchange symmetries of partially distinguishable particles, we explain this amplification as the fingerprint of the initial state's coherences in the eigenbasis.
arXiv comment5 pages, 2 figures + supplemental material
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- Indistinguishability of identical bosons from a quantum information theory perspective
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