Multiple quantum exceptional, diabolical, and hybrid points in multimode bosonic systems:...

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Experimental Liouvillian exceptional points in a quantum system without Hamiltonian singularities

S Abo, P Tulewicz, K Bartkiewicz… - New Journal of …, 2024 - iopscience.iop.org
Hamiltonian exceptional points (HEPs) are spectral degeneracies of non-Hermitian
Hamiltonians describing classical and semiclassical open systems with losses and/or gain …
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