Generalized Swanson models and their solutions

A. Sinha, P. Roy

We analyze a class of non-Hermitian quadratic Hamiltonians, which are of the form $H={\mathcal{A}}^{†}\mathcal{A}+\alpha {\mathcal{A}}^2+\beta {\mathcal{A}}^{†2}$, where $\alpha ,\beta$ are…