%0 Journal Article %T Passage through exceptional point: case study %A Miloslav Znojil %J - %D 2020 %R 10.1098/rspa.2019.0831 %X The description of unitary evolution using non-Hermitian but hermitizable Hamiltonians H is feasible via an ad hoc metric (H) and a (non-unique) amendment 121 2 of the inner product in Hilbert spac.. %U https://royalsocietypublishing.org/doi/10.1098/rspa.2019.0831