[1]
A. U. Leonau and I. D. Feranchuk, “Analytical diagonalisation of the Hamiltonian of the quantum Rabi model in the Coulomb gauge”, Журнал Белорусского государственного университета. Физика, no. 1, pp. 44–51, Jan. 2022, doi: 10.33581/2520-2243-2022-1-44-51.