Corpus ID: 117350140

Comment on "Integrability of the Rabi model"

  title={Comment on "Integrability of the Rabi model"},
  author={Alexander Moroz},
  journal={arXiv: Quantum Physics},
  • Alexander Moroz
  • Published 2012
  • Mathematics, Physics
  • arXiv: Quantum Physics
  • In his recent letter, Braak suggested that a regular spectrum of the Rabi model was given by the zeros of a transcendental function $G_\pm(x)$ (cf Eqs. (3)-(5) of Ref. [1]) and highlighted the role of the discrete $\mathbb{Z}_2$-symmetry, or parity, in determining $G_\pm(x)$. We show here to the contrary that one can define a transcendental function $F_0(x)$ and obtain the regular spectrum of the Rabi model as the zeros of $F_0(x)$ (see Fig. 1) without ever making use of the underlying $\mathbb… CONTINUE READING