Unitary unfoldings of a Bose–Hubbard exceptional point with and without particle number conservation
DOI10.1098/rspa.2020.0292zbMath1472.81097arXiv2008.12844OpenAlexW3101259779WikidataQ102325388 ScholiaQ102325388MaRDI QIDQ5161117
Publication date: 29 October 2021
Published in: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/2008.12844
quantum mechanicsmathematical physicsquantum physicssolid-state physicsBose-Hubbard Hamiltoniansdynamics near exceptional pointsquasi-Hermitian observablesstability-guaranteeing perturbations
Nonselfadjoint operator theory in quantum theory including creation and destruction operators (81Q12) Bosonic systems in quantum theory (81V73)
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